七下 Unit 2 No Rules No Order
一、词汇扩展
explain__________→__________（n.）解释→__________向某人解释
understand__________→__________（n.）理解→__________对。。。有理解
arrive__________→__________（n.）到达→__________到达某地
treat__________→__________（n.）对待→__________把某人像。。一样招待
own__________→__________（n.）拥有者→__________自己的选择
important__________→__________（n.）重要→__________。。。的重要性
polite_________→__________（反义词）不礼貌的→_________对某人有礼貌
one__________→_________（序数词）第一个→_________一次
locker__________→_________（v.）锁
lend__________→_________（同义词）借
special__________→_________（adv.）特别地
use__________→_________（adj.）有用的→_________对。。。有用
run__________→__________（现在分词）跑→_________跑步者
polite__________→__________（n.）礼貌_________不礼貌的
二、情态动词 have to和must
have to 意为“必须；不得不”；must 意为“必须”。二者在用法上的别如下：
①have to 强调客观上的必要；must强调个人意志和主观上的必要；
②have to 有多种形式（如第三人称单数形式 has to等），而must只有一种形式；
③含有have to的陈述句变疑问句时要借助助动词，而含有must的陈述句变疑问句时不需要借助助动词。
基础练习
一、单选
1.________stand too close to North Americans.Give them more personal space.
A.Aren't B.Didn't C.Won't D.Don't
2.-Is there a No.2 bus stop near here
-Yes,there is.________at the second crossing,and you will find it.
A.Turning left B.Turn left C.To turn left D.Turns left
3.—.__________The baby is sleeping.
一I'm sorry.
A.Not talk B.Not talking C.Don't talk D.Can't talk
4.If the green light isn't on, _______a minute.
A.wait B.waits C.will wait D.waiting
5.—______late for school again,Tim！
—Sorry.I promise that I.
A.Don't;won't B.Don't be;don't
C.Don't be;don't D.Don't;will
6.John would like to go fishing with us. But he ________ play with his little brother.
A．have to B．has to C．need D．must
7.He has to _______ English every day.
A．practice B．to practice C．practices D．Practicing
8.—________ her parents ________ join the chess club
—No, they don’t.
A．Does; have to B．Have; to C．Do; have to D．Do; to have to
9．You ________ wear school uniforms.
A．aren’t have to B．don’t have C．don’t have to D．aren’t have
10.David, ________ make trouble at school.
A．can't B．don't C．doesn't
二、用所给词的适当形式填空
1．We must ________ l (listen) to the teacher in class.
2．They can't ________ (talk) in the library.
3．Alice ________(can)do her homework，so she goes to ask her teacher for help.
4．Can we ________ (eat) here
5．He can________ (watch)TV before dinner.
三、句型转换
1．You must look after you sister.(同义句)
You ________ ________ look after your sister.
2．Tom has to wear his uniform to school.（变否定句）
Tom ________ ________ to wear his uniform to school.
3．Uncle Wang does housework on weekend.(改一般疑问句)
_______ Uncle Wang _______ housework on weekend
4．You can’t turn on the radio. (改为祈使句)
_______ _______ on the radio.
5．We do morning exercises outside every morning.(用let改写)
__________ _________morning exercises outside every morning.
