A.has gone
B.is going
C.has been
D.went
A.had left
B.left
C.have left
D.was leaving
开始考试点击查看答案A.is
B.were
C.be
D.had been
开始考试点击查看答案A.has not heard of
B.had not heard of
C.has not been heard of
D.had not been heard of
开始考试点击查看答案A.comes
B.have been
C.came
D.had come
开始考试点击查看答案A.are replaced
B.are being replaced
C.have replaced
D.are replacing
开始考试点击查看答案A.were, would
B.were, will
C.is , would
D.is, will
开始考试点击查看答案A.worked
B.were working
C.work
D.have been working
开始考试点击查看答案A.were followed
B.have been followed
C.are being followed
D.are following
开始考试点击查看答案A.forgot
B.have forgotten
C.forget
D.had forgottten
开始考试点击查看答案A.designed
B.has been designed
C.will be designed
D.will have been designed
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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