_____your composition carefully, some spelling mistakes can be avoided．
A．Having checked B．Check
C．If you check D．To check
When people talk about the cities of China, the first ____comes into their mind is Beijing．
A．which B．one C．that D．of them
The government _____ to the country to pay more attention to A/H1N1flu
A．appealed B．suggested C．called D．explained
____ the end of the performance did the audience get the chance to take photos with the respectable actor．
A．At B．By C．Up to D．Not until
The media today can draw public attention to _______help is actually needed．
A．that B．which C．where D．whose
It is obvious that talking about something behind others is what everyone will not ______．
A．come up with B．put up with
C．keep up with D．catch up with
