Mike wants to know if ________ a picnic tomorrow.—- Yes. But if it ________, we will visit the museum instead.

Though he’s only 8 years old, he can read _______ on science.

It is only when agriculture is fully developed___________industry can have abundant materials and markets.

Have you_______ the film “Black coal, Thin ice” ?-Of course. It won the Best Film Award in the 65th Berlin Film Festival. I don’t mind _______ it again if you invite me to.

________ he study? — In a middle school