单项选择题

If the tyre leaks, you should first ______.

A．check the valve
B．replace the tyre
C．go to the repairman
D．pump some air into the tube
<上一题 目录 下一题>
热门 试题

单项选择题
The passage implies that if the air leakage came from the valve, ______.
A．you would still need to examine the inner tube
B．it would be unnecessary to do anything about the inner tube
C．you could solve the problem by putting spit on it
D．there would be no way to solve the problem
单项选择题
This passage is intended for someone who ______.
A．buys a new bike
B．learns to ride a bike
C．has a flat tyre
D．travels by bike
相关试题