题目内容
(请给出正确答案)
[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
提问人:网友zzwhgmxy
发布时间:2022-01-06