问题描述：
"what about _____ out _____ a walk after supper?" "ok."
A going,to B to go,for Cgo,for Dgoing,for
Do you often help your parents _____ the meals?
A cook B cooking C cooks D are cooking
A going,to B to go,for Cgo,for Dgoing,for
Do you often help your parents _____ the meals?
A cook B cooking C cooks D are cooking
问题解答：
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