I made a call to my parents yesterday, but _______ of them answered it.
We should do everything we can the environment .A. to protect B. protect C. protecting
______of the earth ______ covered by water.A. Two thirds; is B. Two thirds; are C. One thirds; is
If we travel a short distance, we had better walk taking a bus.A. instead B.instead of C. take the place of
The wind is blowing strongly with lots of sand, so I can’t see _______.A. nothing B. something C. anything
--- I usually have breakfast at home. ---- ________ .A. So have I B . So do I C.So I do