D主语是he,当然使用has
不过,我觉得如果答句也用完成时是不是更好?
where _ he he_to the library.A have been,went B have been ,have been C has been,went
where _ he he_to the library.A have been,went B have been ,have been C has been,went
继续上面的“D has been,has been"
继续上面的“D has been,has been"
英语人气：183 ℃时间：2019-09-29 03:01:26
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