– What to stop this world hungry?--- Birth control.A. can be done; to goB. we do; goingC.

问题补充：

– What to stop this world hungry?

--- Birth control.

A. can be done; to go

B. we do; going

C. can be done; going

D. will happen; going

答案：

A. can be done; to go

B. we do; going

(答案→)C. can be done; going

D. will happen; going

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