I, _____ your good friend, will try my best to help you out.

There is a lot of evidence（ ）too much stress is partly responsible for the disease．

You should respect others’ opinions, and at the same time you should insist on （ ） you believe is right.

The football match was （ ） on account of rain.

I don’t know whether he is still （ ） in collecting coins. He used to be, but that was several years ago.

（ ） that the trade between the two countries reached its highest point.

Smoking is not good （ ） you because it can affect your health.

We moved to London _____ we could visit our friends more often.

I decide to leave the company next month, where I _____ for exactly three years.

If you get into difficulties, don’t hesitate to （ ） help.

By the time the course schedule is completed， we _____ the basic subjects of French.

_____ more time， he’ll make a first-class tennis player sooner or later.