A.to help
B.help
C.helping
D.helped
A.to have
B.us should have
C.us having
D.having
开始考试点击查看答案A.Missing ,waiting
B.Miss ,wait
C.Missing ,wait
D.Miss ,waiting
开始考试点击查看答案A.working
B.worked
C.had worked
D.being worked
开始考试点击查看答案A.to take off
B.take off
C.taking off
D.to taking of
开始考试点击查看答案A.operating;operating
B.operating;operated
C.operating on;operating
D.operating on;operated
开始考试点击查看答案A.inventing
B.having invented
C.to have invented
D.to invent
开始考试点击查看答案A.referred to
B.is referred to
C.was referred
D.is referring
开始考试点击查看答案A.I regret _______ to help him that day. A.refusing
B.to refuse
C.refused
D.refuse
开始考试点击查看答案A.kept waiting
B.being waiting
C.being kept waiting
D.to be waiting
开始考试点击查看答案A.Judging from
B.Judged from
C.Judged by
D.Judging by
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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