A.is preparing
B.was preparing
C.has preparing
D.has been preparing
A.work
B.are working
C.have been working
D.worked
开始考试点击查看答案A.are working
B.had been working
C.have been working
D.have worked
开始考试点击查看答案A.had decreased
B.decreased
C.has been decreasing
D.is decreasing
开始考试点击查看答案A.is preparing
B.was preparing
C.has been preparing
D.had been preparing
开始考试点击查看答案A.had read
B.have been reading
C.are reading
D.read
开始考试点击查看答案A.am reading
B.had read
C.was reading
D.have been reading
开始考试点击查看答案A.ate
B.was eating
C.have been eating
D.will eat
开始考试点击查看答案A.are coming
B.had come
C.were coming
D.have been coming
开始考试点击查看答案A.are working
B.have been working
C.worked
D.had worked
开始考试点击查看答案A.is working
B.was working
C.had been working
D.has been working
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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