A.was trying
B.have tried
C.am trying
D.tried
A.did happen
B.has happened
C.is happen
D.has been happened
开始考试点击查看答案A.hadn't made
B.wouldn't make
C.don't make
D.haven't made
开始考试点击查看答案A.has wondered
B.had wondered
C.is wondering
D.was wondering
开始考试点击查看答案A.discussed
B.were discussing
C.have discussed
D.was discussing
开始考试点击查看答案A.was
B.am
C.had been
D.have been
开始考试点击查看答案A.have been taken place; have been set up
B.have taken place; have been set up
C.have taken place; have set up
D.were taken place; were set up
开始考试点击查看答案A.is
B.are
C.has
D.have
开始考试点击查看答案A.had competed
B.compete
C.was competing
D.have competed
开始考试点击查看答案A.was coming
B.will come
C.had come
D.have come
开始考试点击查看答案A.was
B.have been
C.came
D.am coming
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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