用 already , yet 和 just 完成句子。 1. — Peter, have you finished your homework? — Yes, Miss Lin. I’ve ____ finished it. 2. — What are you going todo this Sunday? — I haven’t decided___. 3. — Shall I tell Sallyabout it? — No, you needn’t.I’ve told her _______. 4. I have __________ done the heavy workand now I feel very tired. 5. — Have you read the book Who movedmy cheese ? — Yes, I have _______ read it several times. 6. —Have you visited Mountain Tai ___? — Yes, I went there lastweek.