21Do you think ____ possible to work out a correct figure of the income that the Expo will bring to China?
A.that
B.this
C.one
D.it
开始考试练习点击查看答案22We consider ____ we should communicate with others by all means.
A.that it necessary
B.necessary that
C.necessary of it that
D.it necessary that
开始考试练习点击查看答案23_____ is no good always complaining about life. At least, we are living. [ ]
A.It
B.There
C.This
D.That
开始考试练习点击查看答案24— What do you think of your job, Lin Tao? — Wonderful! _____ is an honour to serve the guests from around the world at the Expo.
A.This
B.It
C.Its
D.That
开始考试练习点击查看答案25_____ felt funny watching myself on TV.
A.One
B.This
C.It
D.That
开始考试练习点击查看答案26Don"t you think that _____ is no use promising without doing?
A.this
B.that
C.it
D.what
开始考试练习点击查看答案27_____ is known to all that the Amber Room belongs to the Russians.
A.As
B.Which
C.It
D.What
开始考试练习点击查看答案28It"s so noisy. I"d really appreciate ______ if you"d turn the radio down.
A.that
B.it
C.this
D.which
开始考试练习点击查看答案29We have reminded him again and again, but ______ turned to be of no use.
A.which
B.that
C.it
D.what
开始考试练习点击查看答案30— I feel _____a pity that I haven"t been to the get together. — You really should have. [ ]
A.them
B.one
C.that
D.it
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