4、gtowatch.2.Does Mr. Brown enjoy living in China?Could youtell us?Could you tell usif/whetherMr. Brown enjoysliving in China?3.When does the train leave?I want to know.I want to knowwhenthe trainleaves .陈述句做宾语从句,由连词that引导一般疑问句做宾语从句,由连词if/whether引导特殊疑问句做宾语