private cars are bringing us convenience, they may also cause traffic accidents and pollution.

— According to my grandma, it is a good idea to eat chicken soup when you have a cold.— ________, scientists agree with her.

The lawyer rarely wears anything other than jeans and T-shirt ________ the reason.

I have reached a point in my life ________ I am supposed to make decisions of my own.

When _______ to F1, I have little knowledge to if.

Some people are worrying about the possibility ________ mobile phones could be responsible for a range of illnesses, from rashes(皮疹) to brain tumors．

It wasn’t until nearly a month later          I received the manager’s reply.

---Tom has been fired by his boss． ---              ? As far as I know, he is a hardworking and considerate fellow．

—— It seems that his health is improving．—— Yes．It is ten years ______ he _______．

Come and look after my baby if _______ tomorrow.

          you would have to go away.

It is difficult to judge whether what he said_________.

The possibility _________ we won’t produce enough goods troubles everyone here.

I don’t like sports _________ people easily get hurt. 

I feel it is your husband who ______ for the spoiled child.

 —These days, he has stayed up late into night in order to get good marks in the following monthly test.---It’s no ____ that he seems tired and asleep in class every day.

It ______ to be seen who will be the victor in the contest.

--have you ever been to Beijing before?--No. it is the first time that I ____here.

You may not have played very well today, but at least you’ve got through to the next round and ________.

In the past few years, so many areas throughout the world have been hit by such destructive earthquakes, snowstorms and tsunamis ________ we have never experienced before, ________ makes us worried a lot about nature disasters.