A.is building
B.is built
C.well build
D.is being built
A.is crossing
B.crosses
C.crossed
D.has crossed
开始考试点击查看答案A.gained
B.was gaining
C.has gained
D.had gained
开始考试点击查看答案A.are taken
B.was taken
C.had taken
D.had been taken
开始考试点击查看答案A.don't know
B.won't think
C.think
D.didn't know
开始考试点击查看答案A.have polluted
B.is being polluted
C.has been polluted
D.have been polluted
开始考试点击查看答案A.was looking through; found
B.am looking through; find
C.looked through; had found
D.had looked through; finding
开始考试点击查看答案A.meet
B.have been met
C.met
D.have been meeting
开始考试点击查看答案A.have
B.will have
C.has
D.shall has
开始考试点击查看答案A.have traveled;has come
B.was traveling had been come
C.am traveling;has come
D.have traveled;has been come
开始考试点击查看答案A.is preparing
B.was preparing
C.had been preparing
D.has been preparing
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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