The main reason is________endangered animals.
A.to protect
B.protect
C.to protecting
D.protects
Please write as________as you can.
A.careful
B.care
C.carefully
D.more careful
One fifth of the population in that country________from China.
A.is
B.are
C.am
D.be
—________is the population of the city?
—About one million.
A.What
B.How many
C.How
D.How much
China has________population in the world.
A.the bigger
B.the biggest
C.the more
D.the most
Jinan is bigger than________in Shandong.
A.all the cities
B.any city
C.any other city
D.some cities