Even students ___ I thought to be clever could not solve the problem.
A.what   

what   
B.which
C.whose
D.whom

Many people lost their homes in the earthquake. The government needs to establish more shelters to care for those ___ have homes.
A.who doesn’t
B.which doesn’t
C.who don’t
D.which don’t

This is ___ she makes vegetable curry.
A.how    
B.which
C.who
D.what

My native town is quite different from ___ it was 20 years ago.
A.what   
B.that     
C.as
D.which

According to the passage, many parents would like their children to__________
A.have less home work
B.do more home work
C.have no homework
D.do their homework at school

I’ll come and see you…….I leave for Moscow.
A.even though   
B.so
C.because
D.before

It is stupid to do that ___ it is quite unnecessary.
A.as
B.but
C. although
D.so

How old do you have to be ___ you can drive a car?
A.when
B.until    
C.before
D.since

I copied my notebook ___ he wrote on the blackboard.
A.however
B.whatever
C.that
D.whoever

I usually take sandwiches for my lunch, but ___ and then I go to a cafe.
A.now    
B.once    
C.again
D.ever