To ___ the puzzlement of the students, the teacher explained it once again to them.
| A．explain |
| B．instruct |
| C．clarify |
| D．classify |
snacks and drinks, but they also brought cards for entertainment when they had a picnic in the forest.
A Not only they brought
B. Not only did they bring
C. Not only brought they
D. Not only they did bring
The open-air celebration has been put off the bad weather.
| A．in case of |
| B．in spite of |
| C．instead of |
| D．due to |
These teenagers don’t know much of the world yet; that’s why they are so easily
| A．taken in |
| B．taken up |
| C．taken on |
| D．taken off |
As I grew up in a small town at the foot of a mountain, the visit to the village scenes of my childhood .
| A．called up |
| B．called for |
| C．called on |
| D．called in |
Before building a house, you will have tothe government’s permission.
| A．get from |
| B．follow |
| C．receive |
| D．ask for |