A.switched
B.have switched
C.switch
D.had switched
A.heard
B.am hearing
C.have heard
D.had heard
开始考试点击查看答案A.am moving
B.have moved
C.had moved
D.have been moving
开始考试点击查看答案A.will have finished
B.will be finishing
C.are finishing
D.finish
开始考试点击查看答案A.used to formed
B.used to form
C.were used to form
D.used to beforming
开始考试点击查看答案A.know
B.remember
C.recognize
D.realize
开始考试点击查看答案A.do not keep; will have to
B.are not kept; have
C.are not kept; will have to
D.do not keep; have to
开始考试点击查看答案A.was
B.has been
C.were
D.have been
开始考试点击查看答案A.are built
B.built
C.have been built
D.have built
开始考试点击查看答案A.was changed
B.had changed
C.has been changed
D.will change
开始考试点击查看答案A.is being repaired
B.is repaired
C.has been repaired
D.was repaired
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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