With more forests being destroyed, a huge quantity of good earth ________ each year.

A. is washing away      B. is being washed away

C. are washing away          D. are being washed away

He can’t _______ my job when I leave. He already has more than he can do.

A. take off                                            B. take over

C. take up                                              D. take in

I think it is a waste of time ________ such a thing.            

A. doing                B. to do                C. done               D. did

Once I ________ the tickets, I will call you and let you know.

A. receive               B. will receive           C. received              D. will have received

By the time we are 18 years old, most of us ________ middle school.

A. will finish             B. have finished          C. had finished           D. will have finished

When she realized that someone had taken her doll, the little girl could not help ________.

A. crying               B. to cry          C. cry                 D. cries

__________ let Tom ________ something to play with, his mother gave him a toy dog.

A. To; to have                                      B. So as to; have

C. So as to; to have                               D. In order to; have

The students have already learned __________ useful English words and expressions.

A. a great many                                B. a great many of

C. a great deal of                                       D. a great deal

The trip to Beijing ________ me seven days, including two nights on the train.

A. spent                B. costed               C. took            D. used

An earthquake may ________ the spread of deadly diseases.

A. result          B. result from            C. result to          D. result in