题目内容
________the room temperature, he added some coal into the stove.
A. In order to keep out B. Keep up
C. So as to keep up D. To keep up
答案:D
提示:
提示:
keep up固定短语,维持,保持。
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题目内容
________the room temperature, he added some coal into the stove.
A. In order to keep out B. Keep up
C. So as to keep up D. To keep up
keep up固定短语,维持,保持。
|