题目内容

Last week two engineers ( ) to help solve the technical problems of the project.

A. have sent
B. were sent
C. sent
D. had sent

查看答案

搜索结果不匹配？点我反馈

更多问题

We all know that some thing exist ( ) we cannot see them with our own eyes.

A. as soon as
B. even though
C. as far as
D. now that

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

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

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