The new treatments ____by Norman Bethune helped a number of soldiers .
— My brother fell off the bike and hurt himself yesterday.—_____________.
It’s __________ for him to complete the project in one day.
The Grade 8 students will ______ about two hours on the trip and the ____ is $50 per person.
If Jim ______ free tomorrow, I will ask Tom to go instead.
Study hard, _______ you will fail in the exam.