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.was
B.has been
C.had been
D.am
开始考试点击查看答案A.as
B.that
C.than
D.but
开始考试点击查看答案A.stood
B.stand
C.to stand
D.standding
开始考试点击查看答案A.there is very convenient
B.it is very convenient
C.there is very conveniently
D.it is very conveniently
开始考试点击查看答案A.prefered; stay
B.prefers to; to stay
C.prefered to; stay
D.prefers to; stay
开始考试点击查看答案A.he refused ;started
B.did he refuse ;start
C.he did refuse ;should start
D.refused he ;should start
开始考试点击查看答案A.an ocean may be deep
B.deep may an ocean be
C.deep an ocean may be
D.may an ocean be deep
开始考试点击查看答案A.have been to this city
B.had been to this city
C.came to this city
D.come to this city
开始考试点击查看答案A.as a good student as
B.as a student good as
C.as good a student as
D.as good as a student
开始考试点击查看答案A.no more than
B.no less than
C.more than
D.less than
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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