21It makes no difference to me ________ he will come or not.

21It makes no difference to me ________ he will come or not.
A.how B.why C.when D.whether
22The instruments of the older factory ________.
A.is as good or better than the new one
B.are as good or better than the new one
C.is as good as or better than those of the new one
D.are as good as or better than those of the new one
23Boris has brains.In fact,I doubt whether anyone in the class has________ IQ.
A.a high B.a higher C.the higher D.the highest
24The time will come ______ man can fly ______ he likes in the universe.
A.how…where B.when…wherever C.where…where D.what…which
25Mary is the only one of the team members ________ to be transferred.
A.who is going B.who aregoing
C.who have been going D.who has been going
26Large quantitiesof water ________cooling purposes.
A.are needed for B.is needed for C.are need to D.isneed for
27We must do well ________ the boss assigns us to do.
A.that B.whatever C.whichever D.those
28The small children were eager to know ________.
A.what was in their stockings B.where were their stockings
C.where was in their stockings D.what was their stocking in
29How beautifully she sings!I have never heard ________.
A.the bettervoice B.a good voice C.the best voice D.a better voice
30Hen has a newcar.I wonder when ________ it.
A.he bought B.did he buy C.buys D.he is buying

21It makes no difference to me ________ he will come or not.D
A.how B.why C.when D.whether
22The instruments of the older factory ________.D
A.is as good or better than the new one
B.are as good or better than the new one
C.is as good as or better than those of the new one
D.are as good as or better than those of the new one
23Boris has brains.In fact,I doubt whether anyone in the class has________ IQ.B
A.a high B.a higher C.the higher D.the highest
24The time will come ______ man can fly ______ he likes in the universe.B
A.how…where B.when…wherever C.where…where D.what…which
25Mary is the only one of the team members ________ to be transferred.A
A.who is going B.who aregoing
C.who have been going D.who has been going
26Large quantitiesof water ________cooling purposes.B
A.are needed for B.is needed for C.are need to D.isneed for
27We must do well ________ the boss assigns us to do.B
A.that B.whatever C.whichever D.those
28The small children were eager to know ________.A
A.what was in their stockings B.where were their stockings
C.where was in their stockings D.what was their stocking in
29How beautifully she sings!I have never heard ________.D
A.the bettervoice B.a good voice C.the best voice D.a better voice
30Hen has a newcar.I wonder when ________ it.A
A.he bought B.did he buy C.buys D.he is buying