摘要：29．We keep a cool head on over- heating development , for it have negative influence upon national economy. A．should; must B．must; would C．might; could D．must; may
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We ________ keep a cool head on over heating development, for it ________ have negative influence upon national economy．
- A.should; must
- B.must; would
- C.might; could
- D.must; may
We ____ keep a cool head on over-heating development, for it ____ have negative influence upon national economy.
A. should; must B. must; would C. might; could D. must; may
查看习题详情和答案>>We ______ keep a cool head on over-heating development, for it _____ have negative influence upon national economy.
A．should; must B．must; would C．might; could D．must; may
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