Every minute has been made full ______ of by the girls ______ knowledge about etiquette(礼仪).
| A．using; learning | B．use；to learn |
| C．to use；to learn | D．use；learning |
It is _____that he has been addicted to the drugs and has difficulty quitting it.
| A．obviously | B．apparently | C．possibly | D．likely |
George Washington was born in 1732 in a rich family in _______ is now the state of Virginia.
| A．which | B．where | C．that | D．what |
_____ do you think will teach us math next term？
| A．Whom | B．Who | C．What | D．That |
. The reason why I have to go is _____ if I don’t.
| A．that she will be disappointed | B．because she will be disappointed |
| C．because of her being disappointed | D．that she will be disappointing |
_____ I accept the gift or refuse it is none of your business.
| A．If | B．Whether | C．Even if | D．No matter when |