当别人称赞你的衣服漂亮时,你应说:_______A. Thank you.B. Not at all. C. You're welcome!
He's busy________ English. A.learn B.learning C.to learn
Why________read books? A.not to B.don't C.not
Teachers taught us________many ways. A.in B.at C.from
Her studies in Middle School________coming to an end. A.am B.is C.are
We should help________ animals. A.protect to B.protecting C.to protect