A.have tried
B.have been trying
C.had tried
D.had been trying
A.went
B.willgo
C.hadgone
D.havebeendoing
开始考试点击查看答案A.is typing
B.had type
C.has been typed D.has been typing
开始考试点击查看答案A.had read
B.have been reading
C.read
D.will read
开始考试点击查看答案A.are enjoying
B.have been enjoying
C.could have enjoyed
D.had enjoyed
开始考试点击查看答案A.studies
B.studying
C.is studying
D.has been studying
开始考试点击查看答案A.work
B.are working
C.have been working
D.worked
开始考试点击查看答案A.read
B.had read
C.has been reading
D.is reading
开始考试点击查看答案A.is preparing
B.was preparing
C.had been preparing
D.has been preparing
开始考试点击查看答案A.have been walking
B.had walked
C.was walking
D.walked
开始考试点击查看答案A.have tried
B.have been trying
C.had tried
D.had been trying
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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