A.were sent
B.was sent
C.have sent
D.had been sent
A.has been fixed
B.was fixing
C.was fixed
D.fixed
开始考试点击查看答案A.offer
B.offered
C.am offered
D.was offered
开始考试点击查看答案A.have introduced
B.are being introduced
C.were introduced
D.had been introduced
开始考试点击查看答案A.is being repaired
B.has been repaired
C.is repairing
D.is being repairing
开始考试点击查看答案A.has been painted
B.is painted
C.is painting
D.is being painted
开始考试点击查看答案A.would be built
B.is built
C.has been built
D.is being built
开始考试点击查看答案A.was tested
B.will be tested
C.is being tested
D.has been tested
开始考试点击查看答案A.is experimenting
B.is experimented
C.is being experimented
D.has been experimented
开始考试点击查看答案A.is being done
B.is doing
C.have done
D.had been don
开始考试点击查看答案A.is broadcast
B.is being broadcast
C.has been broad cast
D.had been broadcast
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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