单项选择题
—Guess what! I have got A for my term paper. —Great! You () read widely and put a lot of work into it.
A.must B.should C.must have D.should have
A.every of her keys;none B.all of her keys;not everyone C.all of her keys;none D.her all keys;not all
A.No,I don’t B.Yes,I do C.Yes,please D.No,please