Unit 18 Seeing the doctor
（一）选择正确译文
1.You have to eat less food and you also have to take more exercise.
A.做更多的锻炼 B.多做操 C.做更多的练习 D.做操
2.If I work in the garden, I have to sit down and rest every five minutes.
A.休息五分钟 B.五分钟的休息 C.每五分钟休息一次 D.每次休息五分钟
3.The doctor looked over Mrs Brown very carefully.
A.看 B. 检查 C. 向上看 D. 照看
4.She has to help with the washing.
A.用人帮忙洗 B.洗衣服 C.需要洗衣服 D.帮忙洗衣服
5.Not before or after meals---instead of them.
A.代替三餐 B.少吃三餐 C.改吃三餐 D.不吃三餐
[答案] 1.A 2.C 3.B 4.D 5.A
[说明] 词组是构成语言材料的基础，请同学们注意积累。
（二）用must, have to完成下列各句。
1．My mother is ill in bed. I______ look after her at home.
2．We ______listen to the teacher carefully in class.
3．There is a football match this evening, so we______ start at five.
4．He______ walk home because his bike was broken.
5．——______I finish my homework today?
——No, you needn’t.
6．——Do I ______go now?