题目内容

There may be a need for retraining if you expect employees ( ) the new technology.

A. using
B. use
C. to use
D. used

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It was soon after the economic crisis ( ) sales of e-businesss started to grow.

A. why
B. how
C. where
D. that

All of pur spare parts are guaranteed if you have your car ( ) with us each year.

A. serviced
B. be servicing
C. to service
D. servicing

The course consists of many case studies, ( ) a variety of business activities in different parts of the world.

A. being covered
B. covering
C. cover
D. covered

The programm ( ) to help students prepare for their first year at our college.

A. is designed
B. designed
C. designs
D. has designed