— Susan, would you like to go hiking with us this afternoon?— I'd love to, but I study for a test.A. may B. have to C. can
—How beautiful the MP4 is!—Yes. This kind is my favorite, but I can’t it.A. afford B. spend C. pay
—Do you know Neil Armstrong?—Yes. He is the first man on the moon.A. to walk B. walks C. walked
The man in our classroom my English teacher. He went to Beijing this morning.A. mustn’t be B. can’t be C. may be
—Would you like to go swimming with me this afternoon?— I’ll be free this afternoon.A. Yes, it’s OK. B. You bet! C. It doesn’t matter.
—Tomorrow is Sunday. What about going shopping together?—I will go I’m free.A. before B. if C. until