I asleep because it took me a long time to realize that the teleph闂傚倸鍊搁崐鎼佸磹閹间礁纾归柣鎴ｅГ閸ゅ嫰鏌涢锝嗙缁炬儳顭烽弻鏇熺箾閻愵剚鐝旂紒鐐劤閻忔繈鍩為幋锔藉亹鐎规洖娴傞弳锟犳⒑閹肩偛鈧洟鎮ц箛娑樼疅闁归棿鐒﹂崑瀣煕椤愶絿绠橀柣鐔村姂濮婅櫣绱掑Ο铏圭懆闂佽绻戝畝鍛婁繆閻㈢ǹ绀嬫い鏍ㄦ皑椤斿﹪姊虹憴鍕剹闁搞劑浜跺顐ｃ偅閸愨晝鍘介柟鍏肩暘閸ㄥ宕弻銉︾厵闁告垯鍊栫€氾拷【查看更多】

I ________ asleep because it took me a long time to realize that the telephone was ringing.　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

　 A. could fall B. need have fallen C. must have fallen 　 D. may fall

I____ asleep because it took me a long time to realize that the telephone was ringing.

A. could have fallen B. should have fallen

C. must have fallen D. mustn’t have fallen

闂傚倸鍊搁崐鎼佸磹閹间礁纾归柣鎴ｅГ閸ゅ嫰鏌涢幘鑼槮闁搞劍绻冮妵鍕冀椤愵澀绮剁紓浣插亾濠㈣泛顑勭换鍡涙煏閸繃鍣洪柛锝呮贡缁辨帡鎮╅棃娑掓瀰闂佸搫鐬奸崰鏍嵁閹达箑绠涢梻鍫熺⊕椤斿嫰姊绘担鍛婂暈濞ｅ洦妞介敐鐐村緞閹邦儵锕傛煕閺囥劌鐏犳俊顐ｏ耿閺屾盯鈥﹂幋婵囩亾缂備礁顑呯换鎰板煘閹达附鍊烽柤纰卞墰閸斿憡绻涚€涙ḿ鐭ゅù婊庝簻椤曪絾绻濆顓熸闂佺粯枪鐏忔瑩宕愰悙鐑樷拺閻庡湱濮甸妴鍐╀繆閻愭潙娴鐐差儐椤︾増鎯旈敐鍥风床闂備胶绮崝锕傚礈濞嗘挸绀夐柕鍫濇娴滄粍銇勯幘璺盒㈤柛妯虹摠椤ㄣ儵鎮欓幓鎺撴闁剧粯鐗犻弻娑樷槈閸楃偞鐏堟繛瀵稿閸欏啫顫忛搹鍦＜婵妫欓悾鍫曟⒑缂佹﹩娈旈柨鏇ㄤ邯閻涱喛绠涘☉娆戝姸閻庡箍鍎卞Λ宀勫箯濞差亝鈷戦柛娑橈功缁犳捇鎮楀鐓庡籍闁轰礁绉瑰顕€宕掑⿰鍜冪床闂備礁鎼悮顐﹀磿閹惰姤鍋╂繛宸簼閻撴稑霉閿濆懏鎲搁弫鍫澪旈悩闈涗粶婵炲樊鍙冮妴渚€寮介鐐靛幐闂佸憡鍔戦崝宥夋倶閸儲鍊甸悷娆忓缁€鍐┿亜閵娿儻韬鐐诧躬瀵粙顢橀悙闈涘箰闂備礁鎲￠崝鎴﹀礉鎼淬劌纾归柨鐕傛嫹

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I ________ asleep because it took me a long time to realize that the telephone was ringing.

A.
could fall
B.
need have fallen
C.
must have fallen
D.
may fall

闂傚倸鍊搁崐鎼佸磹閹间礁纾归柣鎴ｅГ閸ゅ嫰鏌涢幘鑼槮闁搞劍绻冮妵鍕冀椤愵澀绮剁紓浣插亾濠㈣泛顑勭换鍡涙煏閸繃鍣洪柛锝呮贡缁辨帡鎮╅棃娑掓瀰闂佸搫鐬奸崰鏍嵁閹达箑绠涢梻鍫熺⊕椤斿嫰姊绘担鍛婂暈濞ｅ洦妞介敐鐐村緞閹邦儵锕傛煕閺囥劌鐏犳俊顐ｏ耿閺屾盯鈥﹂幋婵囩亾缂備礁顑呯换鎰板煘閹达附鍊烽柤纰卞墰閸斿憡绻涚€涙ḿ鐭ゅù婊庝簻椤曪絾绻濆顓熸闂佺粯枪鐏忔瑩宕愰悙鐑樷拺閻庡湱濮甸妴鍐╀繆閻愭潙娴鐐差儐椤︾増鎯旈敐鍥风床闂備胶绮崝锕傚礈濞嗘挸绀夐柕鍫濇娴滄粍銇勯幘璺盒㈤柛妯虹摠椤ㄣ儵鎮欓幓鎺撴闁剧粯鐗犻弻娑樷槈閸楃偞鐏堟繛瀵稿閸欏啫顫忛搹鍦＜婵妫欓悾鍫曟⒑缂佹﹩娈旈柨鏇ㄤ邯閻涱喛绠涘☉娆戝姸閻庡箍鍎卞Λ宀勫箯濞差亝鈷戦柛娑橈功缁犳捇鎮楀鐓庡籍闁轰礁绉瑰顕€宕掑⿰鍜冪床闂備礁鎼悮顐﹀磿閹惰姤鍋╂繛宸簼閻撴稑霉閿濆懏鎲搁弫鍫澪旈悩闈涗粶婵炲樊鍙冮妴渚€寮介鐐靛幐闂佸憡鍔戦崝宥夋倶閸儲鍊甸悷娆忓缁€鍐┿亜閵娿儻韬鐐诧躬瀵粙顢橀悙闈涘箰闂備礁鎲￠崝鎴﹀礉鎼淬劌纾归柨鐕傛嫹

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I____ asleep because it took me a long time to realize that the telephone was ringing

A.
could have fallen
B.
should have fallen
C.
must have fallen
D.
mustn’t have fallen

闂傚倸鍊搁崐鎼佸磹閹间礁纾归柣鎴ｅГ閸ゅ嫰鏌涢幘鑼槮闁搞劍绻冮妵鍕冀椤愵澀绮剁紓浣插亾濠㈣泛顑勭换鍡涙煏閸繃鍣洪柛锝呮贡缁辨帡鎮╅棃娑掓瀰闂佸搫鐬奸崰鏍嵁閹达箑绠涢梻鍫熺⊕椤斿嫰姊绘担鍛婂暈濞ｅ洦妞介敐鐐村緞閹邦儵锕傛煕閺囥劌鐏犳俊顐ｏ耿閺屾盯鈥﹂幋婵囩亾缂備礁顑呯换鎰板煘閹达附鍊烽柤纰卞墰閸斿憡绻涚€涙ḿ鐭ゅù婊庝簻椤曪絾绻濆顓熸闂佺粯枪鐏忔瑩宕愰悙鐑樷拺閻庡湱濮甸妴鍐╀繆閻愭潙娴鐐差儐椤︾増鎯旈敐鍥风床闂備胶绮崝锕傚礈濞嗘挸绀夐柕鍫濇娴滄粍銇勯幘璺盒㈤柛妯虹摠椤ㄣ儵鎮欓幓鎺撴闁剧粯鐗犻弻娑樷槈閸楃偞鐏堟繛瀵稿閸欏啫顫忛搹鍦＜婵妫欓悾鍫曟⒑缂佹﹩娈旈柨鏇ㄤ邯閻涱喛绠涘☉娆戝姸閻庡箍鍎卞Λ宀勫箯濞差亝鈷戦柛娑橈功缁犳捇鎮楀鐓庡籍闁轰礁绉瑰顕€宕掑⿰鍜冪床闂備礁鎼悮顐﹀磿閹惰姤鍋╂繛宸簼閻撴稑霉閿濆懏鎲搁弫鍫澪旈悩闈涗粶婵炲樊鍙冮妴渚€寮介鐐靛幐闂佸憡鍔戦崝宥夋倶閸儲鍊甸悷娆忓缁€鍐┿亜閵娿儻韬鐐诧躬瀵粙顢橀悙闈涘箰闂備礁鎲￠崝鎴﹀礉鎼淬劌纾归柨鐕傛嫹

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I____ asleep because it took me a long time to realize that the telephone was ringing.

A. could have fallen B. should have fallen

C. must have fallen D. mustn’t have fallen

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I ________ asleep because it took me a long time to realize that the telephone was ringing.

I____ asleep because it took me a long time to realize that the telephone was ringing