Some aspects of a pilot’s job__________ be boring, and pilots often ________ work at inconvenient ho...
2023-01-13 01:03:42 88次 2011-2012学年福建省高三第三次月考英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Some aspects of a pilot’s job__________ be
boring, and pilots often ________ work at inconvenient hours．
A．can; have to B．may; can C．have
to; may D．ought to; must
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