What is the topic of the passage?
A.Students don't have to go to school any more
B.The effect of information technology on education
C.Students can know about their weak aspects to focus
D.Computer software will make sure students learn at home

Many people still refused to believe that smoking__________dangerous.

A.be
B.is
C.are
D.been

Living in the city is getting__________.
A.more expensive and expensive
B.more expensive and more expensive
C.expensive and expensive
D.more and more expensive

He spends__________time on his work.
A.much and much
B.more and more
C.more and much
D.many and many.

She__________to me since last year.
A.has not written
B.wrote
C.writes
D.had not written

We avoid__________our environment.
A.polluted
B.polluting
C.pollute
D.to pollute

If you hate cleaning this fish, why don’t you__________it cleaned at the fishmonger’s.

A.make
B.ask
C.order
D.have

______(44)
A.the
B.that
C.an
D.a

______(45)
A.because
B.however
C.if
D.unless

All forms of exercise must be started__________.
A.quickly
B.gradually
C.strenuously
D.violently