A.didn't use to be
B.mustn't
C.used not to
D.didn't have to
A.Gain
B.Gaining
C.To gain
D.Having gained
开始考试点击查看答案A.watched; fell
B.watched; was falling
C.was watching; fell
D.was watching; was falling
开始考试点击查看答案A.What a surprise! Dad _____ you _______ so early. He's upstairs reading. I'll just call him. A.didn't know; would come
B.doesn't know; are coming
C.hadn't known; were coming
D.hasn't known; will come
开始考试点击查看答案A.are moving; was
B.moved; would be
C.have moved; is
D.were moving; has been
开始考试点击查看答案A.had waited
B.have been waiting
C.were waiting
D.had been waiting
开始考试点击查看答案A.did you finish to write
B.did you finish writing
C.have you finished to write
D.have you finished writing
开始考试点击查看答案A.will leave
B.left
C.has left
D.leaves
开始考试点击查看答案A.played
B.had played
C.was playing
D.was played
开始考试点击查看答案A.just help out
B.have just helped out
C.am just helping out
D.just helped out
开始考试点击查看答案A.had been expecting
B.has expected
C.expected
D.has been expecting
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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