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根据汉语提示完成句子

1.即使我们不能通过这次考试,我们也要尽最大努力。

We will try our best ______ ______ we can't pass the exam.

2.如果他不邀请我,我不会去参加他的晚会。

I won't go to his party ______ he invites me.

3.通过这个望远镜,我没能看到任何星星。

I can't see any stars ______ this telescope.

4.在其他行星上有生命吗?

Is there life ______ ______ ______?

5.太阳、地球和月亮都属于太阳系。

The sun,the earth and the moon ______ ______ ______ the solar system.

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