The zookeeper is worried because the number of visitors____smaller and smaller.A.become B.became C.is becoming D.have become为什么不选D呢?“smaller and smaller”是越来越少,用现完,表示过去就开始减少了到现在越来越少了,
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![The zookeeper is worried because the number of visitors____smaller and smaller.A.become B.became C.is becoming D.have become为什么不选D呢?“smaller and smaller”是越来越少,用现完,表示过去就开始减少了到现在越来越少了,](/uploads/image/z/12548267-35-7.jpg?t=The+zookeeper+is+worried+because+the+number+of+visitors____smaller+and+smaller.A.become+B.became+C.is+becoming+D.have+become%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E9%80%89D%E5%91%A2%3F%E2%80%9Csmaller+and+smaller%E2%80%9D%E6%98%AF%E8%B6%8A%E6%9D%A5%E8%B6%8A%E5%B0%91%2C%E7%94%A8%E7%8E%B0%E5%AE%8C%2C%E8%A1%A8%E7%A4%BA%E8%BF%87%E5%8E%BB%E5%B0%B1%E5%BC%80%E5%A7%8B%E5%87%8F%E5%B0%91%E4%BA%86%E5%88%B0%E7%8E%B0%E5%9C%A8%E8%B6%8A%E6%9D%A5%E8%B6%8A%E5%B0%91%E4%BA%86%2C)
The zookeeper is worried because the number of visitors____smaller and smaller.A.become B.became C.is becoming D.have become为什么不选D呢?“smaller and smaller”是越来越少,用现完,表示过去就开始减少了到现在越来越少了,
The zookeeper is worried because the number of visitors____smaller and smaller.
A.become B.became C.is becoming D.have become
为什么不选D呢?“smaller and smaller”是越来越少,用现完,表示过去就开始减少了到现在越来越少了,也表示过去发生对现在的影响啊,为什么不用现完?
The zookeeper is worried because the number of visitors____smaller and smaller.A.become B.became C.is becoming D.have become为什么不选D呢?“smaller and smaller”是越来越少,用现完,表示过去就开始减少了到现在越来越少了,
the number of 作主语时谓语动词要用单数,只有C对.
加油!不明白再问!
选C 前面是一般现在时 后面时态一致
这是一个常考的题目,选择C,使用现在进行时是用来强调人数越来越少的情况是一直在发生的,强调了情况的严重性。
很高兴为您解答,祝你学习进步!
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答:本题主考主谓一致。本句的主语是The number, 排除AD