A.coughed
B.am coughing
C.have been coughing
D.cough
A.have been coughing
B.had coughed
C.coughed
D.cough
开始考试点击查看答案A.have been working
B.are working
C.worked
D.had worked
开始考试点击查看答案A.has been promising
B.had promised
C.promised
D.promises
开始考试点击查看答案A.shoulders
B.shouldered
C.is shouldering
D.has been shouldering
开始考试点击查看答案A.have been missing
B.have got lost
C.be missing
D.get lost
开始考试点击查看答案A.looked for
B.had looked for
C.will look for
D.have been looking for
开始考试点击查看答案A.had worked; be published
B.had been working; have published
C.has worked; publish
D.has been working; be published
开始考试点击查看答案A.was writing
B.has written
C.has been written
D.has been writing
开始考试点击查看答案A.looked
B.am to look
C.had looked
D.have been looking
开始考试点击查看答案A.will have fallen
B.had fallen
C.has been falling
D.falls
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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