Young people(应该尊敬老人)at any time.
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(我们是否可以带照相机) with us when we visit the museum?
Without his father's approval he(不得不放弃自己的旅游计划).
Henrymustn'tbe at home because hephonedmefromthe farmjust now.A BC D
Jack is a bilingualperson.Hemayspeak EnglishandJapanese.A B CD