A.have heard
B.has heard
C.has been heard
D.have been heard
A.isn’t
B.wasn’t
C.hasn’t been
D.hadn’t been
开始考试点击查看答案A.had been working; are still working
B.had worked; were still working
C.have been working; have worked
D.have worked; are still working
开始考试点击查看答案A.have they known ; get
B.did they know ; were going to get
C.do they know ; are going to get
D.had they known ; got
开始考试点击查看答案A.A.expects
B.has expected
C.is expected
D.will be expected
开始考试点击查看答案A.made
B.is making
C.makes
D.has made
开始考试点击查看答案A.would lend
B.was lending
C.had lent
D.lent
开始考试点击查看答案A.taught
B.have taught
C.are taught
D.have been taught
开始考试点击查看答案A. A.have left
B.leave
C.left
D.will leave
开始考试点击查看答案A.improved
B.has improved
C.is improving
D.had improved
开始考试点击查看答案A.had said
B.said
C.were saying
D.had been saying
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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