The manager is talking with his secretary _____ the telephone. They usually keep in touch _____ tele

题目简介

The manager is talking with his secretary _____ the telephone. They usually keep in touch _____ tele

题目详情

The manager is talking with his secretary _____ the telephone. They usually keep in touch _____ telephone.
A.by ;onB.through; byC.on; onD.by ;with
题型:单选题难度:偏易来源:不详

答案

B
考查介词的用法。by当“通过”讲时,其后不加冠词;through当“通过”讲时,其后加冠词。

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