A.haveB.amC.hadD.have beenI'm tired. I（）working very ha……

单项选择题They（）for hours.

A.have been driving
B.have been driven
C.drove
D.drive

单项选择题He has（）four successful books.

A.wrote
B.written
C.been writing

单项选择题We have our house（）every week by a cleaner.

A.clean
B.cleaned
C.cleaning
D.to clean

单项选择题The roof of our house is broken, so it needs（）

A.repaired
B.repairing
C.being repaired
D.to repair

单项选择题The bedroom needs（）

A.decorating
B.to decorate
C.decorate
D.decorated

单项选择题At present, the most important thing is that Britain needs（）more to improve the relationship with the USA

A.to do
B.doing
C.to be done
D.do

单项选择题We need（）machine.

A.repairing
B.repair
C.repaired
D.to repair

单项选择题（）majority of people are highly against the pollution in this city.

A.–（不填）
B.A
C.The
D.Many

单项选择题（）majority of people agree with him.

A.The
B.A
C.– (不填)
D.One

单项选择题When we were having a meeting, the director（）the bad news by telephone.

A.was telling
B.was told
C.could tell
D.would tell

单项选择题Our lab was being（）when we visited the university.

A.rebuilt
B.rebuild
C.rebuilding
D.to rebuild

单项选择题Everything（）if Albert hadn't called the fire brigade.

A.will be destroyed
B.will have been destroyed
C.would be destroyed
D.would have been destroyed

单项选择题If the man（）succeed，he must work as hard as he can.

A.will
B.is to
C.is going to
D.should

单项选择题If he was fitter, he（）live longer.

A.–（不填）
B.will
C.would
D.can

单项选择题If there were life on Mars, such life forms（）unable to survive on earth

A.is
B.are
C.would be
D.will be