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,son.You39。re free to make your own decision.( ?。〢.can39。t B.mustn39。t C.shouldn39。t D.needn39。t【考點】情態(tài)動詞.【分析】句意:我一定要上法律院校成為像您一樣的律師嗎,爸爸?不,不需要,兒子,你可以自由的決定.【解答】答案:D.根據(jù)No和You39。re free to make your own decision.可知下面為否定回答,must的含義是必須一定,其否定形式mustn39。t表示禁止的含義.在這里不是禁止的意思.must的否定回答一般可借助于needn39。和don39。t have to來構(gòu)成.故選D.1(2016?黔南州)How is your grandma?She39。s fine.She used to____TV at home after supper.But now she is used to___out for a walk.( )A.watch;go B.watching;goC.watching;going D.watch;going【考點】情態(tài)動詞;動名詞.【分析】你的奶奶怎么樣?她很好.她過去常常晚飯后在家看電視.但是現(xiàn)在她習(xí)慣了出去散步.【解答】答案:D.used to do sth過去常常做某事,to是不定式符號,后面接動詞原形;be used to doing sth習(xí)慣于某事,to是介詞,后面接名詞或者動名詞作賓語.故選D.1(2016?綿陽)Is Mr Brown driving here?I39。m not sure.He ______ e by train.( )A.may B.shall C.need D.must【考點】情態(tài)動詞.【分析】布朗先生開車來這里嗎?我不確定.他可能坐火車來.【解答】答案:A.may可能;shall將要;need需要;must一定,必須.根據(jù)I39。m not sure,可知這里的意思是我不確定,可能會坐火車來.may可能.故選A(2016?綿陽)How kind you are!You always do what you can ______ others.( ?。〢.help B.helping C.helps D.to help【考點】情態(tài)動詞.【分析】你是多么的善良啊!你總是盡你所能的去幫助別人.【解答】答案:D.根據(jù)You always do what you can,可知這里的意思是你總是盡你所能的做某事,what you can 是作do的賓語從句的,后面的成分應(yīng)該是做目的狀語,在這里應(yīng)該用動詞不定式形式.選D.2(2016?黔南州)All passage _____go through safety check before they take a plane.( ?。〢.can B.may C.must D.ought【考點】情態(tài)動詞.【分析】句意:所有乘客在上飛機(jī)之前都要經(jīng)過安檢.【解答】can能,能夠;may可以,可能;must必須,一定;Ought應(yīng)該.故選C2(2016?福州)Look at the young lady in red.Is it Mrs.King?No,It ________ be her.She is wearing a white dress today.( ?。〢.can B.may C.must D.can39。t【考點】情態(tài)動詞.【分析】看這個穿紅衣服的女士,是金夫人嗎?不,不可能是她.她今天穿了一件白色的連衣裙.【解答】答案:D.can能夠,可以;may可以,可能;must必須,一定;can39。t不能.根據(jù)She is wearing a white dress today,可知她今天穿了一件白色的連衣裙,所以穿紅衣服的女士不可能是金夫人.can39。t不能,故選D.2(2016?株洲)The passengers _______show their ID cards before getting on the plane.( ?。〢.might B.must C.could【考點】情態(tài)動詞.【分析】在登上飛機(jī)之前乘客必須出示他們的身份證.【解答】答案:B.might可能;must一定;could可能;could和might都有表示猜測的意思.而且語氣都比較委婉.但是could的肯定語氣是大于might的.而且could 還帶有一種竟然,難以置信的語氣在里頭.根據(jù)The passengers _______show their ID cards before getting on the plane,可知在登上飛機(jī)之前乘客必須出示他們的身份證.must一定,必須.故選B.2(2016?十堰)All the students _____ know cheating in the exam is not allowed.( ?。〢.need B.may C.must D.can【考點】情態(tài)動詞.【分析】所有的學(xué)生都必須知道在考試中作弊是不允許的.【解答】答案:C.need需要;may可以;must一定,必須;can可能.根據(jù)All the students _____ know cheating in the exam is not allowed.可知所有的學(xué)生都必須知道在考試中作弊是不允許的,這是法律明文規(guī)定的,都必須遵守的,must一定,必須.故選C2(2016?邵陽)Must I clean the room now,Mom?No,_________.( )A.you mustn39。t B.you needn39。tC.you can39。t 【考點】情態(tài)動詞.【分析】媽媽,我現(xiàn)在必須打掃房間嗎?不,你不必.【解答】答案:B.根據(jù)No.可知下面為否定回答,must的含義是必須一定,