题目内容
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提问人:网友zzwhgmxy
发布时间:2022-01-06
[主观题]
Before dropping rubbish into the chute you have to ______.A.lock the other floors' chute d
Before dropping rubbish into the chute you have to ______.
A.lock the other floors' chute doors
B.check if the container is full
C.press the correct button
D.break up the rubbish
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