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
The Caspian Sea is 1，025 meters________．
A．low
B．deeply
C．deep
D．high
