A new technique_________, the yields as a whole increased by 20 percent.
A.working out
B.having worked out
C.having been worked out
D.to have been worked out
试卷相关题目
- 1'Can you read?' Mary said _______ to the notice.
A.angrily pointing
B.and point angrily
C.angrily pointed
D.and angrily pointing
开始考试点击查看答案 - 2______ the whole morning, my daughter felt very tired.
A.Reading
B.Having been read
C.To be reading
D.Having been reading
开始考试点击查看答案 - 3The cars _______ in Beijing are as good as those _______ in Shanghai.
A.produce, produce
B.produced, produced
C.produced, producing
D.producing, producing
开始考试点击查看答案 - 4A phone call sent him_______to the hospital.
A.hurry
B.hurrying
C.to hurry
D.hurried
开始考试点击查看答案 - 5We've come to help. Which room do you want ______?
A.cleaning
B.cleaned
C.to clean
D.to be cleaned
开始考试点击查看答案 - 6The professor paused as if ___________ his students to ask questions on the point he had just made.
A.expecting
B.is expecting
C.expected
D.to have expected
开始考试点击查看答案 - 7He has no choice but ______ there .
A.stayed
B.staying
C.to stay
D.stay
开始考试点击查看答案 - 8He traveled from place to place ,__________ social problems of all kinds .
A.making out
B.seeing to
C.going over
D.looking into
开始考试点击查看答案 - 9Before leaving home, make sure to turn off the electricity, lock the door, ________ the windows open.
A.and not to leave
B.instead of leaving
C.rather than leave
D.and not leave
开始考试点击查看答案 - 10The next morning people found the outside world completely ___.
A.change
B.changed
C.changing
D.having changed
开始考试点击查看答案