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/were+動(dòng)詞過去分詞,主語是it,所以用was,clean的過去分詞是cleaned,根據(jù) I forgot to do ,所以用wasn39。t,故選D。 【點(diǎn)評(píng)】考查一般過去時(shí)的被動(dòng)語態(tài),注意平時(shí)識(shí)記,理解句意。17.Computers_______ many things and we_______ these modern machines.A.are used to doing。 are used to useB.are used to do。 are used to usingC.used to do。 are used to usingD.are used to do。 used to use【答案】 B 【解析】【分析】句意:電腦用來做許多的事情,我們習(xí)慣于使用這些現(xiàn)代的機(jī)器。be used to do sth,被用來做……,be used to doing sth 習(xí)慣于做……,used to do sth,過去常常做某事。根據(jù)句意,故選B?!军c(diǎn)評(píng)】 考查被動(dòng)語態(tài)的用法。18. many times, he finally understood it. A.ToldB.TellingC.Having toldD.Having been told【答案】 D 【解析】【分析】句意:在告訴他多次之后,最后他終于明白了。understood,明白。過去式,告訴是在他明白之前,因此用過去完成時(shí),他和告訴之間是被動(dòng)關(guān)系,因此用過去完成時(shí)的被動(dòng)語態(tài),having been done,故選D。 【點(diǎn)評(píng)】考查分詞及完成時(shí)的被動(dòng)語態(tài)。19.Trees and flowers _______ every year to make our school more beautiful.A.plantB.are plantedC.were plantedD.will be planted【答案】 B 【解析】【分析】由句中主語“Trees and flowers”為事物可知此處應(yīng)用被動(dòng)語態(tài),時(shí)間狀語為every year,因此用一般現(xiàn)在時(shí),故選B。20.A: The school has a long history. B: Yes, it more than l00 years ago.A.builtB.is builtC.was built【答案】 C 【解析】【分析】句意:一這所學(xué)校歷史悠久。一是的,它是一百多年前建的。表示一百多前年發(fā)生的過去動(dòng)作,用一般過去時(shí)態(tài),B錯(cuò)。主語it(指the school)是謂語動(dòng)詞build的承受者,用被動(dòng)語態(tài)。A錯(cuò)。故選C。21.—Have you heard of the Big Ben?—Of course. It a symbol of UK.A.regards as B.is regarded asC.is regarded toD.regards to【答案】B 【解析】【分析】句意:一你聽說過大本鐘嗎?一當(dāng)然。它被看作是英國(guó)的象征。句中的It 代指Big Ben是動(dòng)作regard的承受者,該用被動(dòng)語態(tài)。而被動(dòng)語態(tài)是由:be動(dòng)詞+實(shí)意動(dòng)詞的過去分詞構(gòu)成。be regarded as被……看作,所以選B。22.In the past, the poor man _________ for a long time every day. A.was made to workB.was made workC.made to workD.made work【答案】A 【解析】【分析】句意:過去,這個(gè)可憐的人每天都要工作很長(zhǎng)一段時(shí)間??疾楸粍?dòng)語態(tài)。由題干可知本句的主語the poor man是動(dòng)作的承受者,所以應(yīng)用被動(dòng)語態(tài),其結(jié)構(gòu)為“be+動(dòng)詞過去分詞”,所以排除C、D選項(xiàng);根據(jù)In the past可知時(shí)態(tài)應(yīng)用一般過去時(shí),主語為the poor man所以系動(dòng)詞be用was;make為使役動(dòng)詞,其過去分詞為made,用于被動(dòng)語態(tài)時(shí)后面的to不能省略,因此排除B選項(xiàng);故答案選A?!军c(diǎn)評(píng)】考查一般過去時(shí)態(tài)中的被動(dòng),注意make sb do 的被動(dòng)應(yīng)加上to.23.—The china looks nice. Is it _____clay? —Yes, and it _____ Jingdezhen.A.made of。 are madeB.made of。 was made inC.made from。 was made inD.made from。 is made in【答案】 C 【解析】【分析】句意:——這個(gè)瓷器看起來不錯(cuò)。它是陶土做的嗎?——是的,它是景德鎮(zhèn)制造的。be made of+原料,能看出原材料,由......制成的;be made from+原料,從成品中看不出原材料;be made in+地點(diǎn),在......制造的。clay,陶土,名詞,此處表示制作陶器的一種原料,從成品瓷器中看不出原材料陶土,要用made from;由 Jingdezhen,景德鎮(zhèn),地點(diǎn)名詞,要用be made in,在哪里生產(chǎn),要用一般過去時(shí),主語it,第三人稱單數(shù),be要用was,故選C。 【點(diǎn)評(píng)】考查固定短語be made of/be made from /be made in 用法區(qū)別。注意根據(jù)句意和語法結(jié)構(gòu),做出正確的選擇。24.He ordered a watch online for his mother and it ________ to her last Sunday. A.giveB.gaveC.was givenD.will be given【答案】 C 【解析】【分析】句意:他在網(wǎng)上為他母親訂購(gòu)了一塊手表