On Sunday Jane has nothing to do but watch TV to ________ her time.
| A．save | B．cost |
| C．spare | D．kill |
I was really anxious about you. You ______ home without word.
| A．mustn’t leave | B．shouldn’t have left |
| C．couldn’t have left | D．needn’t leave |
Allen had to call a taxi because the box was_______ to carry all the way home.
| A．much too heavy | B．too much heavy |
| C．heavy too much | D．too heavy much |
All these gifts must be mailed immediately_________ in time for Christmas.
| A．in order to have received | B．in order to receive |
| C．so as to be received | D．so as to be receiving |
The chairman thought______ necessary to invite Professor Smith to speak at the meeting.
| A．that | B．it | C．this | D．him |
Do you know the difficulty he had _______the work?
| A．on finishing | B．to finish | C．finishing | D．finished |