nadian dollar has fallen about 20percent in value, making that dream ski vacation in Whistler Mountains__________than ever.

If it ____ rain, we will play football tomorrow.

What do you think of zoology? —- In my opinion, zoology is ______ botany

74. It’s an untamed monkey. Keep it ona or it may attack others.

Every year large quantities of water in the rivers _______ polluted and _______ money is spent solving this problem.[ ]