单项选择1/With the help of the German experts ,the factory produ

单项选择
1/With the help of the German experts ,the factory produced ______cars in 2005 as the year before.
A/as twice many B/as many as twice C/as twice as many
D/twice as many
2/He says he will buy the mobile phone_____he has to borrow some money.
A/even if B/until C/unless if D/as if
3/--Has Sam finished his homework today?
--I have no idea.He_____it this morning.
A/did B/has done C/was doing D/had done
4/They ___to see us more often when we were living there.
A/have been coming B/came C/would be coming
D/have come
5/After a fire broke out in the lab ,a lot of equipment _____.
A/is damaged B/had damaged C/damaged D/was damaged
并且最好有翻译,及相关语法.能答多少答多少!

1.D 后面有一个as.在德国专家的帮助下,哪个工厂的汽车生产量在2005年翻了一番.
2.A 即使.他说他要买手机即使得向别人借钱.
3.C 当时正在做.—山姆完成作业了么?—不知道,反正他今天早上还在座.
4.我觉得是B 我们住在那里的时候他们更加频繁地去看我们.
5.D 过去时.大火之后,实验室中的很多设备都损毁了.