It is an abundance of cheap goods and quick delivery service ________ account for the fact that the number of Internet shopping on this website is four times ________ it was last year．

A．that; that

B．which; what

C．what; that

D．that; what

Mary ________ my letter; otherwise she would have replied before now．

A．has received

B．ought to have received

C．couldn't have received

D．shouldn't have received

People are advised not to drive after drinking, but ________ seems not to help a lot．

A．it

B．which

C．they

D．one

Nobody can achieve anything of real significance ________ he works very hard．

A．if

B．unless

C．meanwhile

D．as

You have to balance the advantages of living in the country ________ the disadvantages．

A．for

B．to

C．against

D．with

The 30th Olympic Games, ________ between July 27 and August 12 in 2012, will take place in London．

A．scheduling

B．to schedule

C．scheduled

D．to have scheduled

________ healthy, with easy access to affordable medical care, is still a dream for many people, with medicine price ________ sharply．

A．Keeping; rise

B．Keeping; rising

C．To keep; risen

D．Having kept; to rise

If you ________ a fresh mind for an interview, be sure to have a good sleep the night before it．

A．will have

B．have had

C．are having

D．are to have

The answer is connected with the main use ________ the body makes of food-to supply the energy for movement．

A．where

B．why

C．what

D．that

Look, ________ fashionable clothes is she wearing that all the eyes are fixed on her!

A．so

B．such

C．how

D．what