1、课时3 Section A(Grammar Focus-4c)人教版九年级下 Unit 13 Were trying to save the earth!1234语法通关练提示：点击进入习题5答案呈现1112131467891015is dancinghas workedstay;takingbe broughtwas boughtcouldnthad toneedntmay/mightmustntDCBCA答案呈现1617181920turn offpay forbegin withtake part in能力提升练2122232425is celebratedis drunkarecan
2、easily gettake actionused to drink2627282930have foundshould drinkwill helphave shownprovides语法通关练一、语法专练A.用括号内所给动词的适当形式填空。1.Look!Kate _(dance)with her friends under the tree.2.My aunt _(work)as a nurse since 10 years ago.She is good with patients.3.He used to_(stay)at home,but now he is used to _(ta
3、ke)a walk after dinner.is dancinghas workedstaytaking4.Mobile phones mustnt _(bring)to the classroom in our school.5.The computer _(buy)last year.be broughtwas boughtB.(荣德原创)用can，may，might，must，need 或have to 的适当形式填空。6.He said he _(not)come tonight.couldnt7.Her mother was ill.She _ stay at home and l
4、ook after her.had to8.The desk is not dirty.You _ clean it.neednt9.What is your mother going to do this Saturday?Im not sure.She _ go to see my grandmother.may/might10.If the traffic light is red,you _(not)cross the road.Its dangerous.mustnt二、单项选择。11.The Apple Watch is very beautiful,but its too exp
5、ensive.So I cant _ it.A.save B.supportC.offer D.affordD12.【2020龙东】Kate,dont forget to _ the light when you leave the room.OK,Mom.A.cut off B.put off C.turn offC13.【中考南京】Now waste from daily life in the city of Shanghai _ to be separated into four different groups.A.is requiring B.is requiredC.was re
6、quired D.requiredB14.【2021 云南】The documentary Aerial China(航拍中国)is wonderful.So far,I _ it three times.A.watched B.will watchC.have watched D.watchC15.【2020苏州】Mum,why do I have to wash hands so many times a day?For your health,you _ be too careful.A.cant B.shouldnt C.mustnt D.needntA三、从方框中选出合适的短语并用其
7、适当形式完成句子。16.The last one who leaves the office needs to _ the lights.take part in,take action,turn off,pay for,begin withturn off17.Its easy for us to _ an order by using WeChat or Alipay.take part in,take action,turn off,pay for,begin withpay for18.If we want to be successful,we must _ small things
8、.take part in,take action,turn off,pay for,begin withbegin with19.Since youre going to _ the game,you should practice more.take part in,take action,turn off,pay for,begin withtake part in20.We should _ to help those poor children go back to school.take part in,take action,turn off,pay for,begin with
9、take action四、语法填空用括号中所给词的适当形式完成短文。Have you heard of the World Plant Milk Day?It 21 _(celebrate)on August 22 every year.It is an international day to call on people to drink plant milk.Plant milk is not new to us.It 22 _(drink)by a lot of people.The most popular types of plantis celebratedis drunkmil
10、k 23 _(be)soy milk,coconut milk and rice milk(豆奶、椰奶和米奶).We 24 _(can,get,easy)plant milk in supermarkets.We 25 _(used to,drink)dairy milk(牛奶).arecan easily getused to drinkHowever,more and more researches 26 _(find)that people dont need to drink dairy milk to be healthy.We can change to plant milk.Th
11、e first reason why we 27 _(should,drink)plant milk is that it is good for the earth.Animal agriculture（畜牧业）is the main cause of the greenhouse gas emission（温室气体排放）.By changing have foundshould drinkfrom dairy milk to plant milk,we 28 _(help)the earth.Another reason is that plant milk is good for our health.Studies 29 _(show)that plant milk can help prevent a lot of diseases.Whats more,plant milk 30 _(provide)a long list of healthy ingredients,including calcium（钙），and a low sugar and calorie count（热量）.will helphave shownprovides