第一题：选择正确的单词填入句子。

abridge, shorten, abbreviate

We must ___1___ the arm of enemy while building up our strength.

It was ___2___ from the original work.

In the field of International Trade, “I owe you” is ___3___ to IOU.

第二题：请用以下词组造句
acquaint oneself with, get acquainted with

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答案：

第一题：
1. shorten
2. abridged
3. abbreviated

第二题：
acquaint oneself with: I should have acquainted myself with my new duties.
get acquainted with: Let’s get better acquainted with each other.
 

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