A.is playing
B.was playing
C.has played
D.had played
A.knew
B.have known
C.had known
D.know
开始考试点击查看答案A.had been working; are still working
B.had worked; were still working
C.have been working; have worked
D.have worked; are still working
开始考试点击查看答案A.had come
B.has come
C.came
D.comes
开始考试点击查看答案A.begin
B.began
C.have begun
D.had begun
开始考试点击查看答案A.wanted; have been writing
B.have wanted;wrote
C.had wanted; wrote
D.had wanted;was writing
开始考试点击查看答案A.stayed
B.have been staying
C.was staying
D.have stayed
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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