ExercisesContentsDownloadsUNIT 3: PAST SIMPLE OR PRESENT PERFECT?Question 1 / 40请完成全部题目,最后查看答案与解析GRAMMAR · B1 Exercise 1 · Exercise 1Choose the correct answer._____ painting the bedroom yet?' 'Not yet. I'll finish it tomorrow.'AHave you finishedBDid you finish保存并进入下一题 →