A.has graded
B.is graded
C.is being graded
D.is grading
A.was just going
B.am just about to go
C.have just gone
D.am just going
开始考试点击查看答案A.is playing
B.have played
C.are playing
D.has played
开始考试点击查看答案A.has worked
B.worked
C.has been working
D.is working
开始考试点击查看答案A.did they speak
B.were they speaking
C.are they speaking
D.have they been speaking
开始考试点击查看答案A.waited
B.had been waiting
C.have waited
D.am waiting
开始考试点击查看答案A.says
B.is saying
C.has said
D.is said
开始考试点击查看答案A.suffering
B.profiting
C.earning
D.learning
开始考试点击查看答案A.must wait
B.must have waited
C.must be waiting
D.may wait
开始考试点击查看答案A.has played
B.played
C.plays
D.is playing
开始考试点击查看答案A.has increased
B.is increasing
C.has increased by
D.is increasing by
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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