Lesson 126 Have to and do not need to
关于后几课的安排
Lesson 127 A famous actress
famous adj. 著名的
actress n. 女演员
at least 至少
actor n. 男演员
read (read/read) v. 通过阅读得知
Lesson 129 Seventy miles an hour
wave v. 招手
track n. 跑道
mile n. 英里
overtake (overtook/overtaken) v. 从后面超越，超车
speed limit 限速
dream v. 做梦，思想不集中
sign n. 标记，牌子
driving licence 驾驶执照
charge v. 罚款
darling n. 亲爱的（用作表示称呼）
Lesson 131 Don't be so sure!
Egypt n. 埃及
abroad adv. 国外
worry v. 担忧
Lesson 128 He can't be …/He must be …
He must be a doctor.
He can't be a doctor.
He must have been a doctor.
He can't have been a doctor.
He may be a doctor.
He may have been a doctor.
He must have gone.
He must have visited.
He must be swimming.
He can't be swimming.
He must have been swimming.
He can't have been swimming.
He may be swimming.
He may have been swimming.
Exercises
He can't be ill.
He must be tired.
It can't be my new hat.
It must be my old one.
She can't be Danish.
She must be Swedish.
He can't be a dentist.
He must be a doctor.
She can't be forty.
She must be fifty.
It can't be the 20th.
It must be the 21st.
He can't be the youngest.
He must be the oldest.
He can't be reading.
He must be sleeping.
Exercises Examples
1. He has to be here at six o'clock.
2. I think he is probably busy.
3. He has to be at the office early tomorrow.
4. I think he is probably sleeping.
5. I think he is probably French.
6. He has to be in France next week.
7. I think he is probably an engineer.
B Examples
1. I don't think so. She can't be Italian. She must be Greek.
2. I don't think so. He can't be English. He must be American.
3. I don't think so. They can't be Canadian. They must be Australian.
7. I don't think so. He can't be twenty-four. He must be thirty.
15. I don't think so. It can't be easy. It must be difficult.