What are on show in the museum? -Some photos _____by the children of Yushu, Qinghai.

What do you think of zoology? —- In my opinion, zoology is ______ botany.

I heard you bought a new house last week. —-Yes,it is ________ my old one .

Do you know if _____ back next week? If he _____ back, please let me know.

With the help of the teachers and classmates, the boy worked hard and finally caught up with his classmates. Now he is _______ all the others.