填空题

Facts are terrible things if (leave)（）spreading and unexamined.

【参考答案】

left

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填空题

It’s high time that we (do)（）something to stop pollution.

单项选择题

A．They decide to watch the game together.
B．They decide to go to the cinema.
C．They decide to do different things separately.
D．They decide not to do anything.