The pregnant woman always sits in the nonsmoking area of restaurants to reduce her exposure ________ smoke.
| A．to | B．with | C．in | D．from |
Our teacher asked us to give all the used books to ______ needed them.
| A．all | B．whom | C．those | D．those who |
We have got plenty of time. We ______ hurry.
| A．needn’t | B．mustn’t | C．shouldn’t | D．cannot |
—Do you mind if I keep pets in the building?
—______.
| A．I’m afraid you can’t | B．Of course not, it’s not allowed here |
| C．Great! I love pets | D．No, you can’t |
Can you see that building ______ by trees? That’s ______ we study.
| A．surrounded; which | B．surrounding; where |
| C．to be surrounded; in which | D．surrounded; where |
If you keep working hard like this, it won’t be ______ you can read the English novels in the original (原著).
| A．before long | B．soon after | C．long before | D．long after |