A. May I help you B. aren't I C. Are you Mr. Smith Do you want to buy our products
A. Can you come B. May you come Could you please come D. Are you going to come
A. No, you needn't B. It doesn't matter C. No, you don't have to D. My pleasure__
A. 506万元 B. 500万元 C. 518万元 D. 530万元
A. 136.8万元 B. 110万元 C. 150万元 D. 123.2万元
A. 30万元 B. 25万元 C. 50万元 D. 250万元
A. 800万元 B. 750万元 C. 80万元 D. 75万元
A. 对 B. 错