填空题

It is essential that ______ (每个人都为紧急情况作好准备).

【参考答案】

It is essential that everyone should be prepared for eme......

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填空题

Bicycle ______ (无法和其他交通工具相比) like car and train for speed and comfort.

单项选择题

A. expose
B. interpret
C. expect
D. exhibit