---Tom must you have the light all night? It’s really a waste. ---Sorry I won’t do it ag

问题补充：

---Tom, must you have the light all night? It’s really a waste.

---Sorry, I won’t do it again.

A. burning

B. burned

C. to burn

D. to be burned

答案：

(答案→)A. burning

B. burned

C. to burn

D. to be burned

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