A.is sleeping
B.are sleeping
C.sleeping
D.sleep
A.visit
B.have visited
C.had visited
D.had been visiting
开始考试点击查看答案A.were you cmployed
B.have you been employed
C.had you been employed
D.will you be employed
开始考试点击查看答案A.finished
B.have finished
C.had finished
D.have been finishing
开始考试点击查看答案A.saw; which
B.have seen; that
C.saw; where
D.have seen; where
开始考试点击查看答案A.climb
B.had climbed
C.climbed
D.have climbed
开始考试点击查看答案A.plays an important role
B.is playing an important role
C.has played an important role
D.is being played an important role
开始考试点击查看答案A.takes off
B.took off
C.has taken off
D.is taking off
开始考试点击查看答案A.is going to
B.are going to
C.was going to
D.were going to
开始考试点击查看答案A.headed
B.was heading
C.am heading
D.have headed
开始考试点击查看答案A.are living
B.are lived
C.is living
D.is lived
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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