It’s too late to go out. _____， it’s going to rain.

My job as a research assistant is very specialized_____, which demands a lot of academic knowledge.

Only when （ ） in the afternoon （ ） able to leave.

（ ） born in Chicago, the author is most famous for his stories about New York City.

What is the reason for （ ） on time?

A new technique （ ）, the output as a whole increased by 20 percent.

It is generally agreed that the Internet has brought people together （ ）.

It is high time that the international community （ ） together to fight against terrorism.

As far as the professor（ ） , college students should get into the habit of studying by themselves.

（ ） he will come is doubtful.

The bad weather （ ） the building program by several weeks．

You can’t rely on Jane as she is ______ changing her mind and you will never know what she is going to do next.