中译英句子~~很简单哦

1.到他10岁时,他已经能很熟练地使用电脑了.(by the time)
2.我无法想象在这么脏的房间内生活一年.(imagine)
3.你知道这支笔是谁的?(belong to)
4.张朝阳成了IT行业的领军人物.(leading figure)
5.她走上台,拿起话筒,开始宣布竞赛结果.(did,did,and did)
6.由于商店要关门了,所有的T恤都是半价出售.
7.经理得知有五分之四的票已经预定出去,非常高兴.
8.上个月底,那座桥才建成.
9.这项任务所有的准备工作已经做好,我们可以开始了.
10如果工厂关门,将会失去成百上千的工作机会.
恩,就是以上10句额...1-5句必须用到括号中的词.谢谢大家!!

1 By the time he's 10, he can operate computer skillfully.
2 I cannot imagine living in a dirty room like this for a year.
3 Do you know whom this pen belongs to?
4 Zhaoyang Zhang became the leading figure in IT industry.
5 She went up the stage, picked up the microphone and began to announce the result of the competition.
6 The store is about to close, so all the T-shirts are at half price.
7 The manager was very pleased to know that four-fifths of the tickets had been booked.
8 That bridge didn't complete until the end of last month.
9 Since all the preparatory work having been done, we can start now.
10 If the factory closes down, hundreds of people will lost their jobs.

1.By the time of 10 years old,he was able to use computer skillfully.
2.I can't imagine living in such a dirty room for a year.
3.Do you know whom this pen belongs to.
4.Zhang Chaoyang becomes a leading figure of IT industry.