A.the doorbell rang
B.we heard the doorbell ring
C.there was someone knocking at the door
D.we heard the doorbell rung
A.It's really wonderful
B.It all depends
C.By chance
D.It makes no sense
开始考试点击查看答案A.No problem
B.No way
C.No wonder
D.No need
开始考试点击查看答案A.since it has been finished
B.after it finishes
C.before it has finished
D.before it is finished
开始考试点击查看答案A.every concerned student
B.every student was concerned
C.every student concerned
D.all the concerned students
开始考试点击查看答案A.If he didn't
B.Did he not
C.Had he not
D.If had he not
开始考试点击查看答案A.does it
B.doesn't it
C.do they
D.don't they
开始考试点击查看答案A.as they were
B.as it was
C.like they were
D.like it was
开始考试点击查看答案A.there was no one
B.there were none
C.there were no ones
D.was none
开始考试点击查看答案A.as a life normal as
B.as normal as
C.as normal a life as
D.as a normal life as
开始考试点击查看答案A.which
B.what
C.that
D.When
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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