问题描述:
现在完成进行时不是have/has been +v-ing形式吗,为什么下面这道题要填
现在完成进行时不是have/has been +v-ing形式吗,为什么下面这道题要填过去分词呢:Have you been taught how to deal with this kind of problem.
现在完成进行时不是have/has been +v-ing形式吗,为什么下面这道题要填过去分词呢:Have you been taught how to deal with this kind of problem.
问题解答:
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