7. Although punctual himself, the professor was quite used______________(
习惯了学生迟到) his lecture.
8. The price of beer____________(从50美分到4美元不等) per liter during the summer season.
9.We’d like __________________(预订一张餐桌) five for dinner this evening.
10. There’s a man at the reception desk who seems very angry and I think he means____________(想找麻烦).
11. It may be necessary to stop__________________________(每隔…时间) in the learning process and go back to the difficult points in the lessons.
参考答案: