______ a good insulator , rubber is often used in cables.
| A．Having been | B．To be | C．Be | D．Being |
. ——Does your father plan to attend the conference?
——Yes, he intends______.
A. so B. to do it C to do D. to
It was reported that a plane crash happened last night and most of the passengers were badly_______ and some 10 died.
| A．damaged | B．in jured | C．destroyed | D．harmed |
He was accused _____taking ______drugs when he was at school , so he was questioned by the police.
| A．of; up ; | B．for; down | C．of ; on | D．from; into |
—— Which would you prefer, black coffee or white coffee？
——________.
| A．Yes, very much | B．I prefer the former to the latter. |
| C．What about you? | D．At your service |
——Would you like me to teach how to drive a car?
——_______.
| A．Yes, you would | B．That’s very kind of you. |
| C．With pleasure | D．I’m very glad to hear that. |