A.contaminates
B.is contaminated
C.is being contaminated
D.has been contaminated
A.had prepared
B.being prepared
C.preparing
D.prepared
开始考试点击查看答案A.Freed
B.Freeing
C.To free
D.having freed
开始考试点击查看答案A.help;Shall
B.work; May
C.do;Will
D.get;Would
开始考试点击查看答案A.A.am going
B.shall go
C.go
D.should go
开始考试点击查看答案A.will consider
B.have been considering
C.had considered
D.was considering
开始考试点击查看答案A.hasn't come; am going
B.didn't come; have forgotten
C.hasn't come; forgot
D.doesn't come; will have
开始考试点击查看答案A.is
B.do
C.does
D.will
开始考试点击查看答案A.don't know; are speaking
B.don't know; were speaking
C.didn't know; were speaking
D.didn't know; are speaking
开始考试点击查看答案A.are to
B.are about to
C.will
D.will be going to
开始考试点击查看答案A.is being worked
B.will work
C.will be working
D.will have worked
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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