题目内容

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

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

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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

The proposal ____ at the meeting now is of great importance to our company．

A. discussed
B. being discussed
C. to be discussed
D. is discussed

____，we went swimming in the river．

A. It being very hot
B. It was a very hot day
C. It was very hot
D. Being a very hot day

The football players ____ from the whole country are expected to bring US honor in the 2014 FIFA Brazil World Cup．

A. selecting
B. to select
C. selected
D. having selected