(2012·衡阳高二检测) People often have the belief _______ a healthy environment and development cannot be possible at the same time, but this does not have to be true.

(2012·南京高二检测) Some people are worrying about the possibility _______ mobile phones could be responsible for a range of illnesses, from rashes (皮疹) to brain tumors.

_______ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.

A proposal has been put forward at a recent video conference _______ measures be taken to raise the citizens’ awareness of traffic safety.

I took my driving license with me on holiday, _______ I wanted to hire a car.

Much to my surprise, she _________ tears __________ she read the letter.

It remains to be seen ________ the newly formed committee's policy can be put into practice.

Helen has just heard the news from her father ________ her boyfriend David will come back soon.

_______ you said at the meeting describes a bright future for the company.

Willpower is a kind of quality, ________ is ________ it takes to do anything well.