It is necessary for us students _____ the listening ability．（ ）
| A． |
to improve |
B． |
improving |
C． |
improve |
D． |
improves |
Could you tell me____？（ ）
| A． |
when will they leave Beijing |
| B． |
when would they leave Beijing |
| C． |
when they will leave Beijing |
| D． |
when they would leave Beijing |
These foreigners are practicing_____Chinese．（ ）
| A． |
to speak |
B． |
speaking |
C． |
speak |
D． |
speaks |
Shanghai is one of____in the world．（ ）
| A． |
the biggest cities |
B． |
biggest cities |
| C． |
the biggest city |
D． |
bigger cities |
The baby is too young． Don't leave her at home by_____．（ ）
| A． |
she |
B． |
her |
C． |
hers |
D． |
herself |
Beijing is____capital of China， it has____long history．（ ）
| A． |
the；an |
B． |
a；n |
C． |
the； a |
D． |
the；/ |