A.to have seen
B.to be seeing
C.seeing
D.having seen
A.to be buying
B.to buy
C.for buying
D.bought
开始考试点击查看答案A.to have studied
B.to study
C.to be studying
D.to have been studying
开始考试点击查看答案A.say
B.to say
C.said
D.saying
开始考试点击查看答案A.annoyed; were
B.amazed; was
C.amazing; were
D.annoyed; was
开始考试点击查看答案A.covered; covered
B.covering; covering
C.covered; covering
D.covering; covered
开始考试点击查看答案A.to work
B.to be working
C.working
D.to have worked
开始考试点击查看答案A.enter
B.to enter
C.entered
D.entering
开始考试点击查看答案A.to sign
B.signing
C.having signed
D.to have signed
开始考试点击查看答案A.to have studied
B.to study
C.to be studying
D.to have been studying
开始考试点击查看答案A.to lock
B.locking
C.to have locked
D.having locked
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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