—Our classroom _____________ every day.
—So it is. It’s our duty to keep it clean and tidy.
| A.cleaned | B.cleans |
| C.is cleaning | D.is cleaned |
---What a nice MP3! How long ______ you ______ it? ---Only two days.
| A.have, bought | B.did, buy |
| C.have, had | D.are, having |
Chinese _______ by more and more people in the world now.
| A.speaks | B.spoke |
| C.is speaking | D.is spoken |
If we do nothing, the oceans ______ fish desserts.
| A.become | B.became |
| C.will become | D.are becoming |
An old friend of mine see me tomorrow.
| A.is coming | B.are coming to |
| C.comes | D.is coming to |
-_______ Andrew_______ Australia for2 years?
- Yes, he______ there in 2012.
| A.Has, gone to; has gone | B.Has, been to; has gone |
| C.Has. been in: went | D.Has. been in: went to |
I can't believe that great changes_______ in Suzhou in the past 20 years.
| A.has been taken place | B.have taken place |
| C.took place | D.have been taken place |
Look. Mum with my aunt.
| A. talks | B.to talk |
| C.is talking | D.talking |
— Look! The tree is growing well. When ?
— Sorry, I don’t know, either.
| A.was it planted | B.has it been planted |
| C.is it planted | D.will it be planted |
-- I didn't see you at the meeting yesterday. Why?
--I _______ for an important telephone call at that moment.
| A.wait | B.waited |
| C.am waiting | D.was waiting |