In autumn, the（)fall down from the trees.A.leafB.leafsC.leaves

Who's going to()the washing-up?

A.do

B.go

C.make

Fortunately, Jack was only slightly injured in the traffic()

A.incident

B.event

C.case

D.accident

There are many()in China.

A.female sengineers

B.female sengineer

C.women engineers

D.woman engineers

Language is a city, to the building of _____ every human being brought a stone

A.that

B.it

C.this

D.which

Most doctors recognized that medicine is _____.

A.an art as much it is a science

B.as much an art as it is a science

C.as an art as much it is a science

D.much an art as much it is a science

_____ will not even be noticed

A.What can I do little

B.Little can I do

C.The little of which I can do

D.The little that I can do

Weather______ , the spaceship will be launched tomorrow evening

A.permits

B.is permitted

C.permitting

D.is permitting

of trouble

A.impossible

B.possible

C.possibility

D.impossibility

eseen effects.

A.troubled

B.disturbed

C.confused

D.puzzled