Teenagers like reading the books ________ are written by Guo Jingming.
— Shall we go for a picnic tomorrow?—Well, it all ________ the weather.
The old man __________ eats junk food, does he?
Tari Apps(打车软件)can help us travel around more easily.____more and more people like using them.
—Listen ! Helen is singing in the next room.It ____ be Helen. She has gone to Beijing.
-The presidents of China and the USA had ________ interview a short time ago.—And it was ________ great success.