求英语造句.用下列单词各造一个不少于10个单词的句子.本人水平较差,1.trace 2.unlike 3.involve4.concern5.confuse6.exchange7.limit8.apply9.priority10.undermine

1.the friendship is pure ,not a trace of dirty doping.
2，unlike you,that person is more powerful.
3.remember that great love involve great risk.

1.The friendly relationship between the two countries traces back to the last century.
两国间的友好关系追溯到上个世纪。
2.This book is quite unlike anything I’ve ever read before.
这本书与我以前读过的书大不一样。
3.Remember that great love and great achievements involve great risk.
记住，巨大的爱和成就包含着巨大的危险。
4.Therefore, we must concern "vacancy rate" of the data.
因此，当前必须关注“空置率”这个数据。
5.We often confuse business with poor stress management.
我们常常将事业与压力管理混淆。
6.Most stores will allow the purchaser to exchange goods.
大多数商店将允许顾客更换商品。
7. The teacher limited her to 800 words for her composition.
老师将她的作文限定在800字以内。
8.The club applied the rules to new members only.
俱乐部仅对新会员实行这些规定。
9.Safety is not only a priority, it is a part of our value.
安全不仅仅是优先考虑的问题，它是我们价值的一部分。
10.His enemies are spreading rumours to undermine his authority.
他的敌人在散布谣言来暗中破坏他的威信。

有些字数可能不到10个的,但你可以根据意思自己加几个词进去,这样可以吗?
1.The police have been unable to find any trace of the gang.
警方一直未能找到那团伙的任何踪迹.
2.Their celebrations at Christmas are not unlike our own.
他们的圣诞节庆祝活动跟我们自己的并无不同.
3.I enjoy getting involved in things in my community.
我喜欢参与我社区的事情.
4.The meeting mostly concerned trade and agriculture.
这次会议主要与贸易和农业有关.
5.hearing Martin's confused sorrows turned to optimism.
马丁混乱的懊丧心情变成了乐观情绪.
6.The two of them politely exchanged whispers,and then they all went home.
两人很客气地小声说了几句话,然后他们都回家了.
7.We must limit the expense to what we can really afford.
我们必须把费用限制在我们经济能力范围内.
8.Conciliation may be applied in handling a suit for damages.
赔偿诉讼可以适用调解.
9.Safety has high priority in factories,so we must take account of it.
工厂里安全至关重要,所以我们必须重视它.
10.The convicts undermined the * wall and escaped.
囚犯们在*墙下挖地道逃跑了.