请英语高手帮忙做题、拜托了!(选出答案并解释下原因)

请英语高手帮忙做题、拜托了!(选出答案并解释下原因)
1.)Our factory has been developing rapidly.This year's produetion is five times ___ it was ten years ago.
A.what B.that C. which D. as
2.)下面的句子分别是什么意思?
A.Are you all right?
B.You can't be serious.
C.Bear the burden of too much homework.
D.Obtaining passports and visas by copying illegally.
3.)-This is the +序数词+time+句子（这个句子该用什么时态?）
-It's time that+句子（这个句子该用什么时态?）
4.）Unless a will or check is signed , it is ____.
A. inwalid B. invaluable C. inefficient D. priceless
5.)In my opinion, life in twenty-first century is much easier than___.
A. that used to be.
B. it is used to.
C. it was used to.
D. it used to be.
6.)句子该回答怎么样的问句?
A.Our great honor.
B.Nice having you here.
C.Nice you are here.
D.With pleasure.
7.) News comes that Mr.Johnson has been ___ general manager of our company for his excellent work.
A.appointed B.promoted C.employed D.charged
8.)____ here,come and have a cup of tea.
A.Passing B.To pass C.Pass D.Having passed
9.)Nancy enjoyed herself so much ___ she visited her friends in Sydney last year.
A.that B.which C. when D.where
10.)Things of___kind come together , people of a mind fall into ___same group.
A. a;不填 B.a;the C. the;the D. the;不填

1.A
原因：应该是what was the production ten years ago
2.
1）你还好吗?
2）你说真的?!
3）承担太多家庭作业的负担.
4）通过合法复印获得护照和威萨卡.
3.
1）现在完成时 have done
2)一般进行时 用虚拟语态
4.A
invalid 无效
句意：除非签下遗嘱或支票,否则就是无效的.
5.D
首先 used to do 表示过去怎样
be used to doing 表示习惯于做.因此排除BC
一般用it代指
6.感谢对方招待自己,自己在别人家中.
7.A
四个词都有任职,提升的意思
appoint后面不要加介词,直接加职位
promote,employ,charge后面需要加介词
8.A
A表示自己的状态,经过这里,所以来喝杯咖啡.
B表示目的,为了经过这边,后面应该是我采取的行动,I come and have...
C整个句子是两句祈使句拼凑起来的.第一句pass here 是句waiter说的,后面是对朋友说的.
D是现在完成时,表示已经经过了,与句意不服.
9.A
后半句中已出现Sydney,last year,所以出现when,where是错误的
句意是去年南希拜访了在悉尼的朋友,她很开心.
10.B
a kind 是一种种类 不是特指
the same group是特指 需要用the