I don't like the people ______ don't help others when they are in trouble.( )
who
which
whose
what
The man______ is talking to my math teacher is my father.( )
A.whoB.whichC.what
_____ Wugang Airport_____ last year?( )
A.Did; buildB.Had; builtC.Was; built
Must I go home now?
No, you_______.( )
A.mustn'tB.needn'tC.shouldn't
Guangzhou is one of _____cities in China.( )
A.the biggestB.big
C.bigger
Remember _______ some fruit when you come back.( )
A.buyingB.to buyC.buy