填空题

He played a(pioneer) ______ role in flying in space.

【参考答案】

pioneering。
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填空题
The hatred between the two families(date) ______ back to older generations.
单项选择题
A．No more than two, hours.B．I stayed in a hotel for the night.C．The party was wonderful.D．Not very good, indeed.
A．No more than two, hours.
B．I stayed in a hotel for the night.
C．The party was wonderful.
D．Not very good, indeed.
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