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单选题

The equipment _____ out of order, the experiment has to be put off.

A
hasbeen
B
being
C
is
D
be

题目答案

B

答案解析

暂无解析
举一反三
单选题

To be____for the corporate shareholder's program, you must have been working here for at least three consecutive years.

A
eligible
B
considerate
C
available
D
partial

题目答案

A

答案解析

暂无解析
单选题

Students enrolled as full-time can fully____in the university extracurricular clubs.

A
hadparticipated
B
participant
C
participating
D
participate

题目答案

D

答案解析

暂无解析
单选题

Any visitors to the production facilities must____a security pass from the information deskat the front entrance.

A
allow
B
achieve
C
obtain
D
remind

题目答案

C

答案解析

暂无解析