A.should be doing; gave
B.should have been doing; was given
C.should do; was given
D.should have been doing; had given
A.offer
B.offered
C.am offered
D.was offered
开始考试点击查看答案A.had was contrbuted
B.had been contributed
C.had to be contributed
D.had contributed
开始考试点击查看答案A.is damaged
B.had damaged
C.damaged
D.was damaged
开始考试点击查看答案A.was bought
B.was buying
C.bought
D.is bought
开始考试点击查看答案A.is serving
B.is being served
C.has been serving
D.serves
开始考试点击查看答案A.rescued
B.was rescued
C.has rescued
D.had been rescued
开始考试点击查看答案A.has been questioned
B.is being questioned
C.is questioning
D.has questioned
开始考试点击查看答案A.was decorated
B.was being decorated
C.is being decorated
D.has been decorated
开始考试点击查看答案A.cut
B.are cut
C.are being cut
D.have been cut
开始考试点击查看答案A.is being announced
B.has announced
C.was announcing
D.will be announced
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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