妈妈称赞你说:You’re so helpful,你应该回答:A. You’re welcome. B.I’m not helpful. C.Thank you.
Is this a library? No, ___ ____. A. is it. B.it’s not. C.it is.
It’s 7:30, it’s time _____ go to school. A.at B.for C.to
_____ is this jacket? It’s Mike’s. A. Whose B.What C.Where
_____ these shorts? A.Is B.Are C.Can
We have P.E.class ____the gym. A.in B.on C.at