【正文】 three months. A. spends B. spent C. would spend D. will spend 48. I had hoped that Jennifer___________ a doctor, but she wasn39。t good enough at science. A. will bee B. became C. would bee D. bees 49. I39。d rather you ___________ anything about it for the time being. A. do B. didn39。t do C. don39。t D. didn39。t 50. I39。d just as soon_______ rudely to her. A. that you won39。t speak B. you not speaking C. you not speak D. you didn39。t speak 51. It39。s high time they____________ this road. A. mend B. mended C. must have mended D. will mend 52. It39。s about time people______ notice of what women did during the war. A. take B. took C. have taken D. will take 53. Everybody has arrived. It39。s time we___________ the class. A. shall start B. would start C. had started D. start 54. ___________ the English examination I would have gone to the concert last Sunday. A. In spite of B. But for C. Because of D. As for 55. Mary ___my letter。 otherwise she would have replied before now. A. has received B. ought to have received C. couldn39。t have received D. shouldn39。t have received 56. John did not feel well yesterday。 otherwise he _______to see his classmates off. A. came B. would e C. would have e D. should be ing 57. He39。s working hard for fear that he_____________ . A. should fall behind B. fell behind C. may fall behind D. would fall behind 58. Without the dreams of the youth, this invention might____________ for a century. A. have been postponed B. has been postponed C. postpone D. be postponed 59. In the past men generally preferred that their wives_______________ in the home. A. worked B. would work C. work D. were working 60. For a child to give up his less mature idea for a more mature one, it requires that the child _____psychologically ready for the new idea. A. is B. were C. be D. would be 61. Tom39。s father, as well as his mother,_______________ in New York for a few days more. A. ask him to stay B. ask he to stay C. asks he stays D. asks he stay 62. Your advice that_____________ till next week is reasonable. A. she waits B. she wait C. wait she D. she waited 64. It was essential that we lease before the end of the month. A. sing B. singed C. had signed D. were signing 65. It is appropriate that some time ______thorough study of the results of the Apollo mission. A. devotes to B. devoted to C. is devoted to D. be devoted to 參考答案20．（A）as if引導(dǎo)的從句要求用虛擬語氣，表示同時或?qū)淼那闆r，動詞要用過去式（be動詞用were）或would(could等)+動詞原形，本句話中指的是當時的情況，所以要用過去式，故（A）是正確答案。 21．D． 22．D． 23．C． 24．A． 25．D． 26．（B）had not occurred表示對過去的虛擬，條件句中要用過去完成式，主句中要用should(would, could, might)+動詞原形的過去分詞。 27．（B）had hoped是常見的要求其后的賓語從句用虛擬語氣的句型,虛擬語氣would+動詞原形。 28．（C）表示對過去情況的假設(shè)，主句動詞形式為would(should, could, might)+have+過去分詞，條件句為過去完成式，if可以省略，但要把had提前主語前面。（B），（D）的表達不符合英語表達習(xí)慣，所以（C）是正確答案。 29．（A）suggest后面的從句要用虛擬語氣形式，其形式為should（可以省略）+動詞原形。 30．A．表示與現(xiàn)在相反的虛擬。 31．A．a(chǎn)s though引導(dǎo)的與過去相反的虛擬。 32．D．felt是過去式，所以該句是由as though引導(dǎo)的與過去相反的虛擬。 33．D．a(chǎn)s if引導(dǎo)的與現(xiàn)在事實相反的虛擬。 34．A．a(chǎn)s if引導(dǎo)的與過去相反的虛擬。 35．C． 36．（D）would rather后接從句要求用虛擬語氣，形式為過去式，表示對現(xiàn)在或?qū)淼募僭O(shè)，或為過去完成式表示對過去的情況的假設(shè)。 37．（C）who引導(dǎo)的定語從句中的現(xiàn)在完成時表示動作業(yè)已發(fā)生，所以主句中表示的虛擬是針對已經(jīng)發(fā)生了的行為，所以應(yīng)該用過去完成式表示對過去的虛擬。 38．（B） 39．（C）這是一人含蓄虛擬條件句，通過介詞短語without,表示潛在的一種假設(shè)，而主句中的情況也早已經(jīng)發(fā)生，所以是對過去情況的一種假設(shè)，因此用would not have been achieved這一形式。 40．（D）連so that引導(dǎo)的從句中要求用虛擬語氣，表示一種假設(shè)，形式為might+動詞原形。 41．（B）It is time that是一種要求從句用虛擬語氣的常見句型。虛擬語氣形式為動詞的過去式。 42．（C） 43．（C）otherwise用來表示一種含蓄的虛擬假設(shè)，因為是對過去(yesterday)的情況的假設(shè)，所以應(yīng)該用would have e形式。 44．（B）所給的四個選項中沒有一個表示對未來的情況的虛擬的形式should+動詞原形，或是were to do，因此可以斷定if引導(dǎo)的條件句在這里最真實的條件句，用一般現(xiàn)在時表示一般將來時，故（B）是正確答案。 45．（A）這是一個混合虛擬語氣的句子，if條件句表示的是對過去情況的假設(shè)，而主句是對現(xiàn)在（now）的情況的假設(shè)，故用would tell形式。 46．C． 47．C． 48．C． 49．B．would rather引導(dǎo)的虛擬語氣其謂語用過去式。 50．D．would as soon引導(dǎo)的虛擬語氣，其謂語動詞也用過去式. 51．B． 52．B． 53．B． 54．B． 55．C．注意單詞otherwise引導(dǎo)虛擬語氣。 56．C．同上。 57．A．注意詞組for fear that 58．A．注意without 59．C． 60．C． 61．D． 62．B． 64．A． 65．D．