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. Please pass me one of these oranges, I don’t care which one you pass me. 8. Father will e back, but I don’t know when he will e back. 9. — What do you think about the opera? — I think it is wonderful. 10. — Will we be late? — I’m afraid we will be late. 11. Shirley will go if Rose will go. 12. You can ask me questions if there are any questions that arise. 13. I would have e yesterday if I had wanted to. 14. When you are crossing the road, you must be careful. 15. Unless I am invited, I won’t go. Step 5 Activity (PPT20) Have students work in groups and write some sentences with ellipsis, and then classify them into different groups. [Explanation] 在該步驟中,要舍得給學生時間,互相合作,鞏固已學知識。