Today the forests are getting fewer and fewer. We must down too many trees.
A. keep people from cutting B. prevent people from cutting
C. stop people cutting D. All the above
Many birds live in Zhalong Nature Reserve .
A. all round years B. all year round
C. round all year D. the all years round
On the bus, we must make _________ for the old people.
A. a room B. rooms C. space D. a space
There will be ________ red-crowned cranes in the world.
A. less and less B. a little
C. more and many D. fewer and fewer
There are no __________ things on the moon.
A. living B. alive C. any D. some
_______ is an ideal home for different kinds of plants, fish and birds.
A. The building B. The zoo C. The wetland D. The cage
