The manager is talking with his secretary _____ the telephon

The manager is talking with his secretary _____ the telephone. They usually keep in touch _____ telephone.
A.by ;on B.through; by C.on; on D.by ;with
sss111k 1年前 已收到1个回答 举报

davidli 幼苗

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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。

1年前

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