A.weighs
B.are weighed
C.weigh
D.is weighed
A.is; was written; is seen
B.are; are written; are seen
C.is; had been written; is seen
D.are; were written; is being seen
开始考试点击查看答案A.is
B.am
C.are
D.be
开始考试点击查看答案A.was, was
B.was, were
C.were, were
D.were, was
开始考试点击查看答案A.are
B.is
C.have
D.be
开始考试点击查看答案A.happen; is
B.happens; is
C.happens; are
D.happen; are
开始考试点击查看答案A.are; are
B.was; were
C.are; is
D.were; was
开始考试点击查看答案A.have
B.has
C.will has
D.there is
开始考试点击查看答案A.learns; is
B.learn; are
C.learns; are
D.learn; is
开始考试点击查看答案A.was needed
B.are needed
C.needs
D.is needed
开始考试点击查看答案A.Am ;are
B.Is ; are
C.Are; are
D.Is; is
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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