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It seems oil______from this pipe for some time. We’ll have to take the machine a
It seems oil______from this pipe for some time. We’ll have to take the machine a
游客
2024-10-17
30
管理
问题
It seems oil______from this pipe for some time. We’ll have to take the machine apart to put it right.
选项
A、had leaked
B、is leaking
C、leaked
D、has been leaking
答案
D
解析
根据句中的时间状语for some time可知,所填空的时态应有两种选择:现在完成时或现在完成进行时,故[D]为答案。
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