31Wang Xizhi practised ________ calligraphy even when he was very young.
A.to write
B.writing
C.having written
D.to be writing
开始考试练习点击查看答案32The true meaning of love is worth________ in the whole life.
A.to explore
B.to be explored
C.being explored
D.exploring
开始考试练习点击查看答案33I want to go now—I can’t stand ________ about how excellent his children are.
A.his boasting
B.him to boast
C.to boasting
D.his being boasted
开始考试练习点击查看答案34Mr.Thomson appreciates________ as the new manager by the fellows, and he decides to live up to their expectations.
A.electing
B.to be elected
C.being elected
D.to elect
开始考试练习点击查看答案35Because of consumers’ various needs, the company has no choice but________ different kinds of products.
A.to produce
B.produces
C.produce
D.producing
开始考试练习点击查看答案36Tom’s words left Mary________ whether she did the right thing.
A.doubted
B.to doubt
C.doubting
D.to be doubting
开始考试练习点击查看答案37________the temperature might drop, the company prepared natural gas for warming the citizens.
A.To consider
B.Considered
C.Considering
D.To be considered
开始考试练习点击查看答案38I have no one________ me, because the others have been assigned to do other jobs.
A.help
B.to helping
C.to help
D.to have helped
开始考试练习点击查看答案39In the past 30 years, this old man has been sticking________ the poor students to study in school.
A.to support
B.to supporting
C.supporting
D.having supported
开始考试练习点击查看答案40Scientists say that they have found a way to produce the human body’s own cancer-killing cells, ________ new hope to cancer sufferers.
A.offer
B.to offer
C.offering
D.having offered
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