题目内容
—Scott always keeps working until one o'clock in the morning.
—Oh, he's too________on himself. But he needs to pay attention to his health.
A.hard B.hard?working C.difficult D.good
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题目内容
—Scott always keeps working until one o'clock in the morning.
—Oh, he's too________on himself. But he needs to pay attention to his health.
A.hard B.hard?working C.difficult D.good