<正>I.单项选择1. John plays football, if not better than, David.A. as well B. as well as C. so well D. so well as2.a teacher,so he must decide what to do and what not to do.A. Being B. As C. He is D. Because3. He demanded that the books to the school library at once.A. return B. should returnC. be returned D. would be returned