Dad, my trousers are old. I want to buy a new ________. 

If you have a headache, you must take some ______.

—Have you heard about the airplane accident?—Yes, all of the passengers on the plane lost their___________.

— I have great _______ in learning Maths and I’m so worried. Could you help me?  — Sure. I’ll be glad to.

Toronto is a city in________.