We must go to bed before 10 p.m. It’s one of the of my family.

Winter vacation is approachingThe oversea students are leaving _____ their motherland[ ]

Would you mind me _______the door? _________. It’sreally cold here.

Bob, you look so happy today! —Well，I got ______ A on my English test．

The reason for his success is ______ he worked very hard