Scientists have tried to ________ if there is life on Ma【参考答案】

试题详情

Scientists have tried to ________ if there is life on Mars.

A、discover

B、look

C、invent

D、find out

知识点

参考答案

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仁爱科普版初中英语八年级上册Unit 2 Topic 2 I must ask him to give up smoking 综合测试题

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