A.has closed down
B.closed down
C.is closing down
D.had closed down
A.worked
B.had worked
C.have been working
D.have worked
开始考试点击查看答案A.had left;got
B.has left;reached
C.was leaving;got
D.left;had got
开始考试点击查看答案A.is writing
B.has been writing
C.was writing
D.wrote
开始考试点击查看答案A.Why not
B.Why didn't
C.Why don't
D.Why didn't you
开始考试点击查看答案A.was missing
B.had missed
C.will miss
D.missed
开始考试点击查看答案A.what are you doing
B.what you are doing
C.what you will be doing
D.what will you be doing
开始考试点击查看答案A.would be
B.has been
C.had been
D.would have been
开始考试点击查看答案A.is worn
B.wear
C.wears
D.are worn
开始考试点击查看答案A.sleep
B.will be sleeping
C.was still sleeping
D.am still sleeping
开始考试点击查看答案A.has introduced
B.is being introduced
C.is introduced
D.was 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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