A.was busy
B.is busy
C.had been busy.
D.will be busy
A.is building
B.has been built
C.is being built
D.is to be built
开始考试点击查看答案A.has been done
B.had been done
C.has done
D.had done
开始考试点击查看答案A.takes
B.has taken
C.took
D.was taking
开始考试点击查看答案A.have played
B.is playing
C.are playing
D.had played
开始考试点击查看答案A.are being painted
B.are painting
C.is painted
D.is being painting
开始考试点击查看答案A.has restored
B.has been restored
C.is restoring
D.is being restored
开始考试点击查看答案A.opened
B.was opening
C.was to open
D.had opened
开始考试点击查看答案A.has situated
B.situate
C.situating
D.is situated
开始考试点击查看答案A.has witnessed
B.witnessed
C.is witnessing
D.witnesses
开始考试点击查看答案A.expand
B.explore
C.expose
D.export
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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