首页 > In those days, we had no phones, so we have to keep in touch _____ writing often.A．withB．ofC．onD．by-

In those days, we had no phones, so we have to keep in touch _____ writing often.A．withB．ofC．onD．by-

题目简介

In those days, we had no phones, so we have to keep in touch _____ writing often.A．withB．ofC．onD．by-

题目详情

In those days, we had no phones, so we have to keep in touch _____ writing often.

A．with	B．of
C．on	D．by

题型：单选题难度：偏易来源：不详

答案

D

考查介词的用法。句意：在那些日子，我们没有电话，因此我们不得不经常靠写信保持联系。介词by指凭借某种方式，所以选D。

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