单项选择题

The old lady has developed a （）cough which cannot be cured completely in a short time.

A．perpetual
B．permanent
C．chronic
D．sustained

<上一题目录下一题>

热门试题

单项选择题

In Britain, people （）four million tons of potatoes every year.

A．swallow
B．dispose
C．consume
D．exhaust

单项选择题

Now the need （）foreign languages is becoming greater and greater.

A．to learn
B．learning
C．to be learned
D．being learned

相关试题