The teacher asked us _____.
| A．when did I finished my work. |
| B．why didn’t we tell him about it earlier. |
| C．what we were interested in |
| D．where we are going to have our lunch |
We have two hourshomework to do this aft moon. So we don't have timeafter-school activities.
| A．of; of | B．for; for |
| C．of; for | D．for; of |
——I think Betty is very helpful.
—— she always gives her seats to others on the bus.
| A．I agree. | B．I’m afraid not. |
| C．Really. | D．Why not? |
Why get up early?
| A．don’t | B．aren’t |
| C．not | D．not to |
We believe things will get better because many peoplethe children in poor areas.
| A．think of | B．hear of |
| C．care about | D．wonder about |
They planted trees andtrees is 500.
| A．the number of; a number of |
| B．the number of; the number of |
| C．a number of; the number of |
| D．a number of; a number of |