根据汉语意思，完成下列句子，每空一词。

1.父母经常说我们太年轻，不能自己做决定。

Our parents often say that we are ______ young ______ decide for ourselves.

2.随着时间的流逝，他忘记了那些不愉快的事情。

As time ______ _______, he forgot those unpleasant things.

3.你曾考虑过出国深造吗？

Have you ever ______ ______ abroad for further study?

4.如果你想得到更多的信息，你可以打电话或发邮件给我们。

If you want more information, you can ______ ring ______ e-mail us.

5.他开会迟到了，因为他的车在半路坏了。

He was late for the meeting because his car ______ ______ halfway.

6.他多次尝试过戒烟，但都失败了。

He tried ______ ______ smoking several times, but failed.

7.我突然想起我把钥匙忘在办公室里了。

I suddenly ______ ______ my keys in the office.

8.这道题太难了，我们都做不出来。

It was ______ difficult a problem ______ none of us worked it out.

9.是时候采取措施治理污染了。

It’s time to take measures to ______ ______ pollution.

10.抱歉，我错拿了你的包。

Sorry, I took your bag ______ ______ .