The car's________ has improved a lot since a new engine has been applied to it．
A．character B．performance
C．appearance D．attraction
How________ you expect to get something in return when you never willingly lend a hand to others?
A．shall B．can C．should D．dare
--- Alice is moving to her new apartment next Saturday． --- I would be glad to help her，________ need some help．
A．if she might B．if she will
C．if she D．should she
________that the government can clear up official corruption，we are________ about the future of our country．
A．Convinced；optimistic B．Convincing；optimistic
C．Convinced；pessimistic D．Convincing；pessimistic
General Secretary，Xi Jinping stressed that cross－strait cooperation would be strengthened________ the two sides could agree to oppose Taiwan independence．
A．unless B．even if
C．as long as D．until
－How did you find those days．
－The days________ we spent together on the farm are not easy________．
A．that；to forget B．when；to be forgotten
C．when；to forget D．that；to be forgotten
