1 . The road is wet. It __________ have rained last night.

2 . 单句翻译
1. 随着时间的推进，女性在奥运会中起着越来越重要的作用。
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2. 为保护动物免受猎杀，正在建立一些野生动物保护区，这将使我们受益匪浅。(定语从句)
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3. 很明显他应该为他对室友的恶作剧而道歉。
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4. 如果你能给我一个机会来组织乐队并上台表演，我将不胜感激。
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5. 他没有及时到场，他肯定是错过第一班车了。
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3 . I ________ have been more than six years old when the accident happened.

A．shouldn’t

B．couldn’t

C．mustn’t

D．needn’t

4 . I was on the highway when this car went past, followed by a police car. They _______ at least 150 kilometers an hour.

A．should have been driving

B．must have been driving

C．could have driven

D．would have driven