填空题

If only I (know) ______ the answer, I would have told you.

【参考答案】

had known
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单项选择题
A．I work hard.B．I’m dancing.C．I’ve got a headache.D．I like swimming.
A．I work hard.
B．I’m dancing.
C．I’ve got a headache.
D．I like swimming.
填空题
Many a man (think) ______ life is meaningless without a purpose.
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