Liu Dehua, Zhou Jielun and Lin Junjie are famous _____ their pop songs.[ ]

How do you usually come to school?—I usually come to school _______.[ ]

Hi, Mary. Could you lend ______ your pen?— Sorry, I’m using it.

There is a bridge _____ the river in front of my house. Let’s go _____ it. [ ]

It is cold outside. You’d better wear warm clothes to ________ the cold. –Ok, thanks.