Nothing can stop the Sandstorm ___________ more and more trees are planted．
| A．unless | B．if | C．when | D．while |
I like music ___ I can dance to. And you?
| A．what | B．who |
| C．that | D．when |
----What is _______ the people in the village ?
----I am sorry. I don’t know. I only know that _________people like living in village.
| A．the number of , the number of |
| B．a number of , the number of |
| C．the number of , a number of |
| D．a number of , a number of |
As we know, paper is made ________ wood , that is to say wood is made ______ paper.
| A．of, from | B．in, into |
| C．from, into | D．from, by |
—Do you often at your friends’ home on your way home?
—Yes, we do.
| A．drop in | B．visit to |
| C．come at | D．come over |
—Could you tell me _________? —Sure. It’s near the bank on the other side of the street.
| A．when was the post office built |
| B．when the post office was built |
| C．where is the post office |
| D．where the post office is |