My grandfather has a large __________ of stamps.
| A．correction | B．collection |
| C．connection | D．section |
—What’s the matter,Ann?You look sad.
—Oh,nothing much.As a matter of fact,I of my friend back home.
| A．think | B．have just thought |
| C．had just thought | D．was just thinking |
E－mail,as well as telephones, an important part in daily communication.
| A．is playing | B．have played |
| C．are playing | D．play |
We felt amazed at the use the waste bottles.
| A．they had made | B．they had made of |
| C．they had put | D．they had put to |
At least ten people were injured in the accident,two girls .
| A．contained | B．included |
| C．including | D．were included |
He me a chance to do the experiment once again.
| A．offered | B．supplied | C．provided | D．lent |