题目内容
—I saw Dave in the lift this morning.
—Really? He _______ around here for a long time.
A. won’t be seen B. wasn't seen C. hasn't been seen D. hadn’t been seen
D
解析:
略
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科学实验活动册系列答案题目内容
—I saw Dave in the lift this morning.
—Really? He _______ around here for a long time.
A. won’t be seen B. wasn't seen C. hasn't been seen D. hadn’t been seen
D
略
科学实验活动册系列答案