单选题：We have got to abide by the rules.

题目内容：

We have got to abide by the rules. A．stick to
B．persist in
C．safeguard
D．apply

参考答案：

答案解析：

He checked the luggage thoroughly to make sure that nothing

He checked the luggage thoroughly to make sure that nothing important is left.A

分类：综合类题型：单选题

The methods of communication used during the war were primitive.A．reliable B．eff

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A salesman's cardinal rule is to satisfy customers.A．principal B．official C．simp

分类：综合类题型：单选题

Which of the following is true of Belcher's battery mentioned in paragraph 6 ?A

分类：综合类题型：单选题

Blank confessed that he killed the boss of the supermarket.A．reduced B．answered

分类：综合类题型：单选题