问题描述:
__experiments on the laboratoy,it started to rain heavily.A,while performing B,performing C,w...
__experiments on the laboratoy,it started to rain heavily.
A,while performing B,performing
C,while i was performing D,to perform 理由是前后主语不一致,这也能解释得通.可这样不是就有两个谓语了吗(was 和 started ).如果按以下这道题分析这个题,不是该选B或A吗:Some students ran back to the dormitory ,magezines___under their arms.
A.to be held B.was held
C.held D.holding
分析:此问题只有一个逗号为简单句,所以只能有一个谓语动词,前面已经有ran作谓语了,
因此空格内只能使用非谓语动词
__experiments on the laboratoy,it started to rain heavily.
A,while performing B,performing
C,while i was performing D,to perform 理由是前后主语不一致,这也能解释得通.可这样不是就有两个谓语了吗(was 和 started ).如果按以下这道题分析这个题,不是该选B或A吗:Some students ran back to the dormitory ,magezines___under their arms.
A.to be held B.was held
C.held D.holding
分析:此问题只有一个逗号为简单句,所以只能有一个谓语动词,前面已经有ran作谓语了,
因此空格内只能使用非谓语动词
问题解答:
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