By the end of September 2013，＿＿＿＿．number of netizens in China has hit ＿＿＿record high of 604 million．
| A．the；the | B．a；a | C．a；the | D．the；a |
---Can you finish the difficult task in such a short time?
---No, it is beyond my __________.
| A．complex | B．competence | C．comprehension | D．competition |
---I’m afraid I don’t have the ability to make a speech in public. I’m too nervous.
---Don’t worry. You will overcome it _______if you practice more.
| A．by and by | B．side by side | C．hand in hand | D．face to face |
In my opinion, all Mr Li ______ good to his students in his class at present. He is very strict with them in their studies.
| A．does does does | B．does does do | C．does do did | D．did do does |
In a(n) _____ to help preserve history, the Greek government established a committee to undertake the professional restoration of the Acropolis.
| A．order | B．purpose | C．aim | D．gesture |
Lawrence Craven, a doctor from the USA, is the author of several published reports, one of ________ introduced the idea in 1953 _________ aspirin could reduce the risk of heart attacks.
| A．them; when | B．which; that | C．what; that | D．which; when |