时态(73次)
1. 现在完成时 15 since, for, before,how long,yet,
have gone to / have been to / have been in/at
2. 现在进行时 11 look, listen, now, where is sb?
3. 一般过去时 6 last year/night
4. 一般将来时 3 tomorrow, next Saturday, soon
5. 过去进行时3 while, when
6. 过去完成时 1 by the end of last year
7. 一般现在时 1 every year, on Sundays
综合练习
1. Today most young people _______ the mobile phones which have color screens and are able to receive pictures.
A. use B. will use C. are using D. have used
2.