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打断(谈话), 插嘴
We should not ________on others when they are talking.
cut in
politely adv.
[p?'la?tli]
礼貌地
We should be________.
politely
litter n.['lit?]
垃圾, 杂物
We should not throw the ____ anywhere, we should throw it in rubbish bin.
litter
obey
vt. & vi. 遵守,
顺从
[??'bei]
We should ____ the traffic rules.
obey
queue vi.
[kju?]
排队等侯
We should ______, when we get on the bus.
queue
good manners
cut in
politely
litter
obey
queue
run