--You will get into big trouble ____ you can’t prove that you didn’t cheat in the exam.
--I know. I will collect enough evidence to make them believe me.

The new CEO demanded that all inter-office communications ______ in writing rather than in person, ______ possible.

She says that she'll have to close the shop ________ business improves.

Americans and Canadians can understand each other ___ they don’t speak the same kind of English.

    he visited the new school, he showed great interest in everything he saw.

We won’t give up ________ we should fail ten times.

There was ______ time _____ Chinese used foreign oil.

A British official said that_____ this impractical policy could be changed , the future for Britain was indeed dark.

If you want to live a happy life, you’d better learn to accept life _____it is..

You can get the best result ______you carry out the experiment under the desired conditions.