The warning we were given as children ________ an apple a day keeps the doctor away may，in fact，have a scientific explanation.
| A．that | B．who | C．where | D．which |
—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 |
—If you go hiking in the summer vacation, ______ me a ring.
—I will.
| A．to give | B．give | C．giving | D．gave |
Hainan province lies ______ the south of Guangdong province, which is ______ the south of China.
| A．in; on | B．on; in | C．to; in | D．to; on |