Do you believe that paper is made _____ wood—– Yes, I do. And you can see that books are made ____ paper.

A group of middle school students spent two weeks _____ the jungle.

The island is quite hot all year round，because it’s _________ the equator.

A high-tech exhibition ________in the National Museum nowLet’s go and visit it

─ I called you yesterday evening, but there was no answer.─ Oh, I am sorry. I dinner at my friend’s home .