题目内容：

完成句子

1.到目前为止，他们已经多次在动物身上试用于过这种药物了。

So far, they have _________ __________ the drug on animals a dozen of times.

2.他很难过地发现在选举中被他自己的好朋友反对。

He was very sad to find himself         his own good friends in the election.

3.他不同意我的看法---这个地方的很多犯罪都是与滥用毒品有关。

He didn’t _________ _________ our view that much of the crime in this area is relevant to drug abuse.

4.在喝了很多酒后，那个人不小心向同事们透露出他的秘密，他曾以为偷窃而蹲监狱两年。

After drinking much alcohol, the man carelessly ___ ___ his secret to his colleagues that he had been in prison for two years for theft.

5.通过望远镜你不能看清楚东西，除非你正确地调节它以适应你的视线。

You can’t see things clearly through a telescope unless it is _________ correctly ________ your sight.