用baeak out,watoh out of,cheer up,pull,puzzle写五句英语句子

The war broke out 战争爆发了.
He watches out of the window.他朝窗外望去.
We've won.Let's cheer up!我们赢了,干杯吧!
He can't pull out the rope.他拉不出绳子.
His behavior really puzzles me.他的行为让我很疑惑.