根据汉语意思，完成下列句子，每空一词。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.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.你曾考虑过出国深造吗？
Have you ever ______ ______ abroad for further study?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.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.他多次尝试过戒烟，但都失败了。
He tried ______ ______ smoking several times, but failed.我突然想起我把钥匙忘在办公室里了。
I suddenly ______ ______ my keys in the office.这道题太难了，我们都做不出来。
It was ______ difficult a problem ______ none of us worked it out.是时候采取措施治理污染了。
It’s time to take measures to ______ ______ pollution.抱歉，我错拿了你的包。
Sorry, I took your bag ______ ______ .
Mr．Li is to us how to organize our ideas according to the type of writing （解释）
Some young students like books better than paper books （电子的）
We often borrow novels and from our school library （杂志）
Most drivers in Suqian are （礼貌的） enough to let people walk across the street first．
With the development of science and technology，more and more （机器人）are used in factories．