In most developed countries, people mustn’t/ don’t need to boil water before they drink it.. You needn’t/ mustn’t go on the beach when the tide’s coming in.. Changes in technology mustn’
Trang 1I Underline the best answer from each group in italics
1 Bookings need/ must be made at least seven days before departure.
2 In most developed countries, people mustn’t/ don’t need to boil water before they drink it.
3 You needn’t/ mustn’t go on the beach when the tide’s coming in It’s very dangerous.
4 I often have to/ must work at the weekend to get everything done.
5 Changes in technology mustn’t / needn’t be a problem, but could be seen as a great
opportunity
6 We’ve been told that we don’t have to/ mustn’t be at work until 10:00 tomorrow.
7 When you have time, we must/ have to get together for a weekend.
8 We mustn’t/ needn’t allow our speed of production to drop.
9 As you worked late yesterday you needn’t/ mustn’t come until 10:00 tomorrow morning.
10 Employees will have to/ have got to accept the new conditions or be dismissed.
11 Of course the first thing I did was to call the police and I mustn’t/ didn’t have to wait very
long for them to get there
12 You mustn’t/ needn’t have a university degree to become a police officer.
13 Nowadays it needn’t/ mustn’t cost a fortune to own a powerful computer.
14 I don’t have to/ mustn’t remind you that we are competing with two other companies.
II Change the following active sentences to the passive
1 People should save pandas from extinction
2 People must obey all traffic laws
3 Someone ought to repair this broken window
4 Someone should have supplied the hotel guests with clean towels
5 Someone had better take this garbage to the dump soon
6 People can pick tomatoes before they are completely ripe
7 Someone is supposed to divide the profits among the shareholders
8 Someone must have hurt Peter’s feelings
9 Someone has to finish this work today
10 Someone ought to have reported the accident to the police
III Choose the correct answer:
1 “Have you seen John?” “No But he _ be studying in the library
2 As I won’t be at home tonight, I my homework during my lunch break
3 Passengers _ smoke until the signs have been switched off
A mustn’t B can’t C needn’t D mightn’t
4 There are a lot of tickets left, so you _ pay for the tickets in advance
A mustn’t B won’t C shouldn’t D don’t have to
5 You _ put anything on the shelves until the glue has set hard
A, couldn’t B mustn’t C don’t have to D needn’t
6 I _ my best suit to the party yesterday; everyone else was very casually dressed
A needn’t wear B mustn’t wear C needn’t have worn D mustn’t have worn
7 I didn’t meet him yesterday He _ on business
A must go B should go C must have gone D should have gone
8 “What are you doing this weekend?” “I haven’t decided yet I go on a picnic with my family.”
Trang 29 You _ wash the car I just had it done yesterday.
10 It’s a secret You _ let anyone know about it
A mustn’t B needn’t C mightn’t D may not
11 I’m not sure I _ come a few minutes late
12 Bring your umbrella It may rain later today
13 Secondary school students nowadays wear uniform
A have to B need to C should D could
14 We have some days off after the exam _ spend some time together?
A let B Shall I C Shall we D Would you like
15 John isn’t in his office He _ at home today
A may staying B may have stayed C may be stayed D may be staying
16 The best way will _ after all
17 What he has done to me cannot _
A forgive B forgiven C be forgave D be forgiven
18 A lot of things at the same time
A must do B must have done C must be done D must been done
19 Do you believe that such a problem can ?
A solve B be solving C is solved D be solved
20 The treasure must have _
A be hidden B been hid C been hide D been hidden
21 Some products can hardly
22 Believing that the hope for cancer control _ lie in the use of vaccine
A should B may C can D ought to
23 “Tomorrow is a fine day for fishing, we _ go to the lake.”
A should B may C must D have to
24 I go home tonight because I do a lot of work
A should/can’t B can’t/shall C can’t/have to D have to/ must
25 I met him yesterday, he was wearing a coat, it have rained ealier
A should B may C must D have to
26 Knowing a cure be made is an excellent piece of news
A should B may C must D can
27 My Dad work for the government, his job be very tiring
A should B can C will D have to
28 The firm is recruiting new members, you forget to apply
A shouldn’t B can’t C won’t D musn’t
29.You _ be a victim of racism, you report it
A should/might B can/might C might/should D have to/will
30 It’s 19:00, we leave and head home, our families be waiting
A should/could B can/might C might/should D have to/will