9. You should give clear ________ for every practice exercise.
The time is not far away _______ the information will be made known ______ more workers will be trained for their jobs.
Wit a large amount of work _______, the chief manager couldn’t spare time for a holiday.
If _______ , English teachers must pass the oral and written tests.
The WTO can’t _____ its name if it doesn’t include a country that is home to one fifth of mankind.
He may have seen the film when it was shown last week, _____ he?