题目内容
10.The bellindicating (indicate) the end of the period rang and we had to stop our discussion.分析 宣布下课的铃声响了,我们不得不停止讨论.
解答 答案是indicating.本题考查分词做定语;题干中indicate the end of the period充当the bell的定语,与the bell之间是主动关系,故用现在分词indicating.
点评 本题是要求用所给动词的适当形式填空,解题时首先考虑句中需要的是谓语动词还是非谓语动词;其次,如果是谓语动词关注时态、语态和数的变化;如果是非谓语动词要联系非谓语的基本用法判断非谓语的形式.
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