当别人犯错误时,嘲笑他们是不礼貌的.
National Day is coming. I'm looking forward to (参观) Tian'anmen Square.
Sometimes we feel (孤独的) even though there are lots of people around.
This article tells us how to (避免) getting hurt while climbing.
He often (旅行)to beautiful places in the world.
The boy is (勇敢的)enough to save the little girl from the river.