A.had changed
B.will change
C.was changed
D.has been changed
A.has
B.have
C.have been
D.has been
开始考试点击查看答案A.promised
B.were promised
C.have promised
D.have been promised
开始考试点击查看答案A.approves
B.is to approve
C.has been approved
D.will be approved
开始考试点击查看答案A.has caught
B.has been catching
C.will catch
D.has been caught
开始考试点击查看答案A.taught
B.have taught
C.are taught
D.have been taught
开始考试点击查看答案A.had been discovered
B.have been discovered
C.are discovered
D.will be discovered
开始考试点击查看答案A.has completed
B.have completed
C.have been completed
D.has been completed
开始考试点击查看答案A.had not been heard of
B.has not been heard of
C.had not heard of
D.has not heard of
开始考试点击查看答案A.been invited
B.been invited for
C.invited to
D.been invited to
开始考试点击查看答案A.have produced
B.have been produced
C.are producing
D.are being produced
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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