When the teacher ______ how to do the experiment, the bell rang.
| A．explains | B．will explain | C．was explaining | D．is explaining |
--What about_________a rest? --Let’s go for a walk.
| A．to take | B．take | C．takeing | D．taking |
The child__________cry_________when she saw her mother.
| A．not ; anymore | B．not ; any |
| C．didn’t ; anymore | D．doesn’t ; any longer |
How did the police___________that accident?
| A．deal in | B．deal with |
| C．do with | D．deal on |
Excuse me, can you tell me__________the hospital?
| A．to find | B．can I find |
| C．how to find | D．finding |
Books are made________paper while paper is mainly made________wood.
| A．of ; of | B．from ; from |
| C．of ; from | D．from ; of |