题目内容

I ran toward the supermarket, ________ the manager was ready to lock the door.

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You may buy a new dictionary, ________ you can borrow one from the library.

The boy didn’t want to talk to his mother, _______ he pretended to be asleep.

I looked all over the place for my new shirt, _______ all I could find was the empty bag.

商品编码方法主要有阿拉伯数字法、英文字母法、混合法等,其中最常用的是()。

A. 阿拉伯数字法
B. 英文字母法
C. 混合法

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