单选题：Children may get into some bad habits __________ they lack s

题目内容：

Children may get into some bad habits __________ they lack self-discipline. A．when
B．unless
C．though
D．until

参考答案：

答案解析：

请在第(59)处填上正确答案。

请在第__(59)__处填上正确答案。A．equally B．officially C．sharply D．proudly

分类：中学英语题型：单选题

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One of the main difficulties in accurate earthquake forecasting is that_________

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He failed to carry out some of the provisions of the contract, and now he has t

分类：中学英语题型：单选题

“The key to __________ the medical problems is health care reform,” said the min

分类：中学英语题型：单选题