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Period [.] 1. Use a period to show the end of a sentence. Hockey is a popular sport in Canada. The federal government is based in Ottawa. 2. Use a period after certain abbreviations. B.C. is the province located on the West Coast. Dr. Bethune was a Canadian who worked in China. The company is located at 888 Bay St. in Toronto. It is 4：00 p.m. in Halifax right now. Question Mark [?] Use a question mark at the end of a sentence to show a direct question. How many provinces are there in Canada? Note： do not use a question mark for indirect questions. The teacher asked the class a question. Do not ask me why. Exclamation Mark [!] Use an exclamation mark at the end of a sentence to show surprise or excitement. We won the Stanley Cup! The forest is on fire! Comma [，] 1. Use a comma to show a pause in a sentence. Therefore， we should write a letter to the prime minister. 2. Use a comma with quotation marks to show what someone has said directly. I can come today， she said， but not tomorrow. 3. Use commas for listing three or more different things. | 
