Choosing the right dictionary depends on ______ you want to use it for.
| A．what | B．why | C．how | D．whether |
Nearly 100 experts attended the meeting, most of them________ China.
| A．came from | B．come from |
| C．coming from | D．had come from |
To everyone’s surprise, Tom claimed _______ all his work two days ago.
| A．to finish | B．to have finished |
| C．finishing | D．having finished |
We were really worried about you, you________ home without saying a word.
| A．shouldn’t have left | B．shouldn’t leave |
| C．mustn’t have left | D．couldn’t leave |
Eight dollars for just a cup of coffee? I’m afraid you got________.
| A．held up | B．ripped off |
| C．cut off | D．stuck in |
The teacher made a request that all the homework_______ before class.
| A．should hand in | B．must be handed in |
| C．be handed in | D．were handed in |