A.have been
B.had been
C.was
D.will be
A.will be designed
B.has been designed
C.designed
D.will have been designed
开始考试点击查看答案A.where were you
B.where did you go
C.where have you been
D.where have you gone
开始考试点击查看答案A.is preparing
B.was preparing
C.had been preparing
D.has been preparing
开始考试点击查看答案A.leaves for; takes off
B.am leaving for;is taking off
C.am leaving for; takes off
D.leave for; taking off
开始考试点击查看答案A.have read
B.had read
C.were reading
D.read
开始考试点击查看答案A.was being repaired
B.had been repaired
C.would be repaired
D.was repaired
开始考试点击查看答案A.hasn't cleaned
B.didn't clean
C.wasn't cleaned
D.hasn't been cleaned
开始考试点击查看答案A.is trying
B.was trying
C.has tried
D.had tried
开始考试点击查看答案A.are moving
B.have moved
C.move
D.will have moved
开始考试点击查看答案A.are washing away, suggest
B.is being washed away, suggest
C.have been washed away, suggests
D.are being washed away, suggests
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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