填空题

The speaker mentions the problem of education ____________________ (在多个场合).

【参考答案】

on many occasions
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单项选择题
A．challengeB．ignoreC．debateD．discuss
A．challenge
B．ignore
C．debate
D．discuss
填空题
The rescue team ____________________ (正在争分夺秒地)to save the life of those who had fallen into the sea in the accident.
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