—Your flight was quite late last night.
—Yes, it was midnight __________ our plane finally got to Jinan.

Is it, in your opinion, possible __________ new measures will be taken to improve the terrible traffic?

As you can see, we need the equipments, ___________ are necessary to make the project move on.

Bad habits, ____formed, are difficult, and sometimes impossible to shake off.

Many experts believe that teachers’ development is _____ the key to better education lies. 

A．that

B．what

C．where

D．which

Evidence has been piled up_____drinking water after getting up in the morning contributes to one’s health.

Teenagers have reached a point in their life_____they are supposed to make decisions of their own for the first time.

It was not until nearly a month later _________I received the managers reply.

You can eat food free in my restaurant ________ you like.

一、单项填空（20*1=20分）
---How far apart do they live? 
---­­­­­­­­­­­­­­­­­­­________ I know ,they live in the same neighborhood.