填空题

The ______ (possible) of man’s walking on the moon has been proved.

【参考答案】

possibility
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单项选择题
A．More than one year.B．More than two years.C．Three years.D．Four years.
A．More than one year.
B．More than two years.
C．Three years.
D．Four years.
填空题
When does the speaker’s friend take Jim for a long walk in the parkEach afternoon on ______.
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