A.is
B.were
C.are
D.was
A.did he perform
B.had he performed
C.he performed
D.he had performed
开始考试点击查看答案A.is
B.was
C.would be
D.has been
开始考试点击查看答案A.puzzled; puzzled
B.puzzling; puzzled
C.puzzled; puzzling
D.puzzling; puzzling
开始考试点击查看答案A.haven't
B.won't
C.didn't
D.don't
开始考试点击查看答案A.wasbusy
B.is busy
C.had been busy
D.will be busy
开始考试点击查看答案A.have visited
B.had visited
C.could visit
D.visited
开始考试点击查看答案A.have been
B.was
C.had been
D.had gone
开始考试点击查看答案A.went to; come back
B.went to; will come back
C.has gone to; will come back
D.has been to; came back
开始考试点击查看答案A.has worked
B.has been worked
C.have been working
D.worked
开始考试点击查看答案A.were hanging
B.had hung
C.hung
D.would hang
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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