English grammar exercise

English Grammar Exercise

... in 1970. 4. Until 1997, the Sears Tower (be) the highest building in the world. English pool of exercise Exercise on Simple Present Form positive sentences in Simple Present. 1. Anna / the ... Signal Words of Present Perfect  already, ever, just, never, not yet, so far, till now, up to now Exercise on Present Perfect Simple Put the verbs into the correct form (present perfect...

Ngày tải lên: 19/10/2013, 14:15