You might those fireworks Jane. Do be careful with them.A. give offB. cut offC. set offD.

问题补充：

You might those fireworks, Jane. Do be careful with them.

A. give off

B. cut off

C. set off

D. put off

答案：

A. give off

B. cut off

(答案→)C. set off

D. put off

解析：考查短语辨析，give off 释放，cut off 中断，set off 出发，使爆炸，put off 推迟，句意：珍妮你可能会放这些烟花爆竹，放的时候一定要当心。所以选C。