The conference will begin in an hour; let’s have a rest.A. on the meantimeB. in the meant

问题补充：

The conference will begin in an hour;, let’s have a rest.

A. on the meantime

B. in the meantimes

C. in the meantime

D. in meanwhile

答案：

A. on the meantime

B. in the meantimes

(答案→)C. in the meantime

D. in meanwhile

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