—Mr. Ma has gone to Guangzhou on business.
—Really? Do you know ?
A. who did he go with
B. when he came back
C. how soon will he be back
D. whether he went there by train
---Why did you buy one more tie？you have got more than ten ties,
---A man can never have _____ many ties.
A. enough B. too C. so D. such
I think that “Duang” must be one of the words on the Internet this year.
A. deepest B. widest
C. hottest D. highest
_____ you can understand how the human body woks, you need to have some knowledge of chemistry
A. As soon as B. Though C. So that D. Since
---I hear the government is going to ___ the air quality with the new standard PM2.5，isn’t it？
---Yes, ___ the air pollution will get more serious.
A. discover, therefore B. revise, anyway
C. review, however D. test, otherwise
--Wow, ____useful and fashionable iphone5s you have bought!
---Yes, it is ____ great help to me, ____ I must say it also cost me a lot.
A. what, a, but B. what an, the, And
C. What a, a , And D. How, a , But
