The temperature remained         zero all day.

—I left my keys in the room yesterday. I had to get in           the window.
—It’s dangerous to do that.

Mr. Li will come to Beijing         two days.

Just then, one of the monkeys jumped down         the tree, picked up the hat Tony threw on the ground and walked up to Tony.

Wild animals are our friends. We shouldn’t kill them         food or clothing.

World Reading Day is         April 23. It’s a special day that was         in 1995 by the UN.