单选题：He didn't give up smoking although he knew he __________.

题目内容：

He didn't give up smoking although he knew he __________. A．ought to do
B．needn't do
C．ought to
D．needn't

参考答案：

答案解析：

__________ was expected, he performed the task with success

__________ was expected, he performed the task with success.A．Which B．That C．It

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阅读下文，回答题Questions 61 to 65 are based on the following passage．Shoppers on Blac

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