A.to design
B.to be designing
C.to have been designing
D.to have designed
A.elected
B.being elected
C.to elect
D.to be elected
开始考试点击查看答案A.to pick up
B.picking up
C.to be picked up
D.being picked up
开始考试点击查看答案A.to be taken
B.to take
C.being taken D.taking
开始考试点击查看答案A.being allowed
B.to have been allowed
C.having allowed
D.to have allowed
开始考试点击查看答案A.published
B.to publish
C.to be published
D.being published
开始考试点击查看答案A.to be heard
B.to be hearing
C.to hear
D.to have heard
开始考试点击查看答案A.never to be broken
B.never to have broken
C.never to be breaking
D.to never break
开始考试点击查看答案A.try
B.tried
C.to be tried
D.to try
开始考试点击查看答案A.to die
B.to have died
C.dying
D.having died
开始考试点击查看答案A.to introduce
B.introduce
C.being introduced
D.to be introduced
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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