题目内容
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
B
解析:
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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题目内容
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
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。