.An exhibition of paintings ____ at the museum next week.
| A．are to be held | B．is to be held |
| C．are holding | D．will hold |
Choosing the right dictionary depends on ________ you want to use it for.
| A．what | B．why | C．how | D．whether |
Having checked the doors were closed, and ________ all the lights were off, the
boy opened the door to his bedroom.
| A．why | B．that | C．when | D．where |
It is none of your business ________ other people think about you.Believe
yourself.
| A．how | B．what |
| C．which | D．when |
—Where's that report?
—I brought it to you ________you were in Mr.Black's office yesterday.
| A．if | B．when |
| C．because | D．before |
You can only be sure of ________ you have at present; you cannot be sure of something ________ you might get in the future.
| A．that; what | B．what; / |
| C．which; that | D．/; that |