熱心網友

They watch TV at 7:30還是They are watching TV at 7:30.要看具體情況而定。They are watching TV at 7:30.強調的是時間概念,“他們7:30在看電視。”而They watch TV at 7:30。強調的是動作。他們平常7:30都在干什么,在看電視的意思。