—Are you helpful at home? — .A. Yes, I am. B. Yes, I can. C. Yes, I do.
We can see many students in the . A.library B. hospital C. school
There a lot of bananas . A. is B. amC. are
字母a读音不同的是:
There’s no milk the fridge . A. in B. on C. at
I am home now . A. toB. forC. at