A.hasn't cleaned
B.didn't clean
C.wasn't cleaned
D.hasn't been cleaned
A.is being repaired
B.is to repair
C.has been repaired
D.has repaired
开始考试点击查看答案A.traveled
B.travels
C.is traveling
D.had traveled
开始考试点击查看答案A.has rung
B.would ring
C.was ringing
D.had rung
开始考试点击查看答案A.is working
B.has been working
C.worked
D.will have worked
开始考试点击查看答案A.are you leaving
B.were you leaving
C.you are leaving
D.you were leaving
开始考试点击查看答案A.left;worked
B.has left;had worked
C.left;has worked
D.has left;worked
开始考试点击查看答案A.was to blame ; happening
B.be to blame ; happened
C.be blamed ; was happened
D.was to blame; had happened
开始考试点击查看答案A.was trying
B.have tried
C.am trying
D.tried
开始考试点击查看答案A.expect;don't
B.expected;don't
C.expected;didn't
D.expect;didn't
开始考试点击查看答案A.am coming
B.have come
C.came
D.come
开始考试点击查看答案高中数学代数与函数一数系的扩充与复数的引入36
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入28
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入29
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入30
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入31
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入32
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入33
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入34
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入35
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入26
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