– Can I help you, sir? -- I’d like to have 100 _____. I want my students to draw pictures. A. piece of paper B. pieces of paper C. pieces of papers
—Mike invited us to take part in the party this Sunday. —Is tomorrow his birthday?
Great changes have taken place around the world. Nobody can tell _____ in 20 years.
_____ nice the ice cream looks! Ican’t wait to taste it.
Is that your best friend Kitty? — No, it _________ be her. She flew to Singapore yesterday.
---Excuse me, Sir .But smoking is not allowed here. -----Sorry,I didn’t see the sign.I’ll __________ my cigarette at once.