The population of China is larger than ________ of the United States.
A. this B. that
C. these D. those
By sending text message or chatting online, we have been in touch for months, but I have never met my new friend ________.
A. by accident B. on purpose
C. in the flesh D. in her absence
If you are invited to any special occasion such as a wedding or a celebration, you will have to be ________ dressed.
A. attractively B. controversially
C. conventionally D. appropriately
Unless a heart operation is carried out, his chance of ________ is slight, since it is the third time that he has suffered a severe heart attack.
A. championship B. survival
C. scholarship D. approval
Only after Mary read her composition the second time________the spelling mistake.
(2012·天津，6)
A. did she notice B. she noticed
C. does she notice D. she has noticed
A. to use B. used C. using D. use
