The residents,all ___ had been damaged by the flood,were giv

The residents,____________ had been damaged by the flood,were given help by the Red Cross.
A.all their homes B.all whose homes
C.all of whose homes D.all of their homes
21.Which do you like _________,wealth or health?
A.the better B.the best C.better D.best
22.Jack as a taxi-driver earns _________ he used to as teacher.
A.as $ 5000 more than B.$ 5000 more than
C.more $5000 than D.$ 5000 so much as
23.I didn’t ask him to do such a hard job.In fact,I don’t expect him _________ the impossibilities.
A.did B.do C.to do D.does
24.By the end of this month,we surely _________ a satisfactory solution to the problem.
A.will have found B.have found
C.will be finding D.are finding
25.If the whole operation __________ beforehand,a great deal of time and money would have been lost.
A.was not planned B.has not been planned
C.were not planned D.had not been planned
26.____________ the English exam,I would have gone to the concert last Sunday.
A.In spite of B.Because of C.But for D.As for
27.If I ________ you,I would have accepted their kind help.
A.am B.had been C.will be D.were
28.Such problems _______ air and water pollutions have to be solved as soon as possible.
A.like B.as C.of D.about
29.John met an old classmate of his _________ his way home.
A.at B.on C.in D.by
30.The girl _______ a blue dress is Jack’s sister.
A.in B.on C.with D.of
31.When __________ the education systems of China and Britain,the professor gave no comment.
A.being asked to compare B.asked him to compare
C.asking him to compare D.asked to compare
32.You will see this product _________ wherever you go.
A.to be advertised B.advertise
C.advertised D.advertising
33.Output is now six times _______ it was before liberation.
A.that B.which C.what D.of which
34.He spoke confidently,_________ impressed me most.
A.so that B.that C.it D.which
35._________ is known to the world,Mark Twain is a great American writer.
A.That B.Which C.As D.It

the residents ,______had been damaged by the fire,were given help by the red cross.all of their homes all of whose homes应该选哪个为什么?___is known to us all is that the old scientist ,for ___life was hard in the past,still works very hard in his eighties.A.As;whom B.What;whom C.It;whose D.As;whose这题是不是第二个空后面应该加逗号啊?