ExercisesContentsDownloadsUNIT 12: PRESENT PERFECT OR PAST SIMPLE?Question 1 / 10请完成全部题目,最后查看答案与解析GRAMMAR · A2 Exercise 1 · Exercise 1Choose the correct answer._____ John yet?AHave you calledBDid you callCDo you call保存并进入下一题 →