A.doesn't clean
B.isn't cleaned
C.hasn't cleaned
D.hasn't been cleaned
A.were served
B.served
C.are served
D.serves
开始考试点击查看答案A.is belonged
B.have belonged
C.are belonging
D.Belonged
开始考试点击查看答案A.did you go
B.have you gone
C.were you
D.had you been
开始考试点击查看答案A.was looking
B.had looked
C.looked
D.is looking
开始考试点击查看答案A.am looking for
B.have looked for
C.have been looking for
D.had looked for
开始考试点击查看答案A.but; had drank
B.but; drank
C.so; was drinking
D.yet ; was drunk
开始考试点击查看答案A.phoned
B.phone
C.will phone
D.have phoned
开始考试点击查看答案A.change
B.has changed
C.changing
D.have changed
开始考试点击查看答案A.is
B.are
C.was
D.were
开始考试点击查看答案A.worked
B.has worked
C.had worked
D.has been working
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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