They are the sort of friends who are so close they（）each other with their lives.

单项选择题Huge solar mirrors are put in orbit around Mars to（）the polar ice－caps.

A.warm
B.heat
C.heaten
D.enheat

单项选择题In Africa，there were tribes which （）stretching the ear lobes.

A.went in for
B.went for
C.went
D.went to

单项选择题Since the beginning of history, people have（） travel.

A.dreamed
B.dreamed for
C.dreamed of
D.dreamed with

单项选择题His stupid remarks （）a fight.

A.touched down
B.touched on
C.touched off
D.touched up

单项选择题What’s （）in the bone will come out in the flesh.

A.bred
B.inserted
C.raised
D.broken

单项选择题Several people were（） in a blazing bus which overturned and burst into flames late last night.

A.burnt to die
B.burning to die
C.burning to death
D.burnt to death

单项选择题Although he had not studiedvery hard, John had () hope of passing the exam.A. littleB. anyC. a littleD. some

单项选择题Travelingin England, it will be cheaper if you buy a return ticket on the train.()A. moreB. veryC. quiteD. even

单项选择题My wife is planning to have the furniturelight green.()A. PaintB. PaintingC. to paintD. painted

单项选择题There was a knock at the door. It was the second time I that evening.()A. interruptedB. was interruptingC. had interruptedD. had been interrupted