题目内容

____ the classroom for a whole afternoon, the monitor decided to have a rest.

A. Having cleaned
B. To clean
Cleaned
D. Clean

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The artist is said ____ during the production and thus a pirated video was sold in every part of Kenya.

A. to be cheated
B. being cheated
C. to have been cheated
D. having been cheated

– What a surprise to see you cooking! You never did that before.– ____ that I’m grown-up, I want to help my parents to do something.

A. Considering
B. Considered
C. To consider
D. Being considered

A new technique ____ ，the production increased by 20％.

A. having worked out
B. having been worked out
C. to work out
D. working out

English well，we should find opportunities to hear English as much as we can．

A. Learning; speak
B. Learned; spoken
C. To learn; spoken
D. To learn; speaking