问题
选择题
When you finish ____ meals, don't forget _____ off the gas.[ ]
A. cooking, to turn
B. to cook, to turn
C. to cook, turning
D. cooking, turning
答案
答案：A
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When you finish ____ meals, don't forget _____ off the gas.[ ]
A. cooking, to turn
B. to cook, to turn
C. to cook, turning
D. cooking, turning
答案：A