问题描述:
7当他们昨天来的时候要买什么?______ ______they want ______ _____ when they came yesterday?
8 将来我们能上月球吗?______ we be on the moon ______ _______ _______?
8 将来我们能上月球吗?______ we be on the moon ______ _______ _______?
问题解答:
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