题目内容
The young soldier really doesn't know ___________ to stop the baby from crying hard.
A. what to do B. how to do
C. when to do D. where to do
1. A
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The young soldier really doesn't know ___________ to stop the baby from crying hard.
A. what to do B. how to do
C. when to do D. where to do
1. A
阅读快车系列答案