I'm amazed that Tom is only 25. I thought he was_______, for he seems to be in his thirties.
| A．old | B．older |
| C．young | D．younger |
—When are you going to tell the bad news to Jim?
—______ he comes back.
| A．Unless | B．As soon as |
| C．Since | D．Though |
—____________？
—Orange, I think.
| A．How is the food | B．Is there any fruit around here |
| C．What is it | D．What color do you think it is |
—We'll go to Zhengzhou University tomorrow. Where shall we meet?
—Please wait ______ the bus stop near the bookshop.
| A．for | B．in | C．at | D．on |
We were deeply impressed by the schools ______ we had visited in this city.
| A．which | B．who | C．where | D．what |
—What should I do, doctor?
—You should take more exercise ______ healthy.
| A．to keep | B．keep | C．keeping | D．kept |