_______ in the school rules that boy students should not wear long hair.
| A．What is required | B．What requires |
| C．It is required | D．It requires |
The number of the students is_________ rapidly in our school.
| A．expanding | B．stretching | C．extending | D．expecting |
During your English study, you will______ many difficulties.
| A．come about | B．come out | C．come by | D．come across |
Hiking by oneself can be _______ and good for health. It may also be good for_______ training.
| A．funny… inspiration | B．fantasy… friendship |
| C．fancy… determination | D．fun… character |
Though _______ abroad for years, many Chinese still ______ the traditional customs.
| A．living…perform | B．having lived…preserve |
| C．having lived…observe | D．living…support |
In winter, the town is often _____by snow.
| A．broken off | B．cut off | C．taken off | D．set off |