3. They may never ________ the truth about what happened.

4. Brant ________ some strange characters he had never seen before on the wall.

5. How many countries ________ the last Olympic Games?

6. It's silly ________ things which are outside your control.

III. 根据汉语意思补全下列句子（每空一词）。

1. 艾丽斯决定不惜一切代价买到音乐会的票。

　Alice decided to buy a concert ticket ________ ________ ________.

2. 这种病阻碍了血液的自由循环。

　The condition ________ ________ ________ ________ ________ freely.

3. 他们被控滥用权力，人为抬高物价。

They ________ ________ ________ ________ ________ ________ to keep prices artificially high.

4. 我们走了好几个街区，但没找到一辆出租车。

We walked a couple of blocks, ________ ________ ________ ________ ________ ________.

5. 违法的公司将被处以重罚。

　Companies ________ ________ ________ will be heavily fined.

6. 名字是从名单中随便选的。

Names ________ ________ ________ ________ ________ ________ ________.