21春北交《大学英语上》在线作业一参考答案

A．has been

B．is

C．being

D．is being

A.to be delivered
B.was delivered
C.be delivered
D.having been delivered

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

A．to live

B．living

C．lived

D．having lived

A.what does the sentence mean
B.what means this sentence
C.what this sentence means
D.what is the meaning of the sentence

A.be collected
B.must be collected
C.is collected
D.can be collected

A．a lot more better than

B．a lot better than

C．much more better than

D．much more well than

A.which we would have
B.we would have
C.we
D.we had

.
A、would have died
B、would die
C、would be died
D、will die

A.where
B.that
C.on which
D.the one

A．we are going home

B．we go home

C．we went home

D．we can go home

A．the greater is the amount of paper is used

B．the greater amount of paper is used

C．the amount of paper is used is greater

D．the greater the amount of paper is used

A.did your father retire
B.your father retired
C.has your father retired
D.your father has retired

A．What

B．That

C．When

D．How

A、what
B、where
C、which
D、wherever

A.how they were excited
B.how excited they were
C.how excited they have
D.they were how excited

A.hasn’t watered
B.hadn’t been watered
C.didn’t water
D.wasn’t watered

A.that you don’t understand
B.what you don’t understand
C.which you don’t understand
D.what don’t you understand

A．what

B．that

C．whether

D．when

A．howr

B．why

C．what

D．when

A.he bought
B.did he buy
C.buys
D.he is buying

year.
A. as less ... as
B. fewer ... than
C. as much ... as
D. as many ... as

A.because she will be unhappy
B.that she will be unhappy
C.what she will be unhappy
D.for she will

A.wherer
B.that
C.on which
D.the one

A.more high
B.much more high
C.higher more
D.higher than