A.working
B.to work
C.worked
D.to be working
A.having taken
B.were taken
C.having been taken
D.have been taken
开始考试点击查看答案A.with no knowledge
B.not know
C.not knowing
D.not to know
开始考试点击查看答案A.Heard,disappointed
B.Hearing,disappointing
C.Hearing,disappointed
D.Heard,disappointing
开始考试点击查看答案A.To become
B.Become
C.One becomes
D.On becoming
开始考试点击查看答案A.holding
B.have held
C.to hold
D.having held
开始考试点击查看答案A.to stay
B.is to stay
C.to stay at
D.is for staying
开始考试点击查看答案A.not to be able tohelp
B.to be not able tohelp
C.being unable tohelp
D.being not to be ableto help
开始考试点击查看答案A.to examine
B.having examined
C.to be examined
D.being examined
开始考试点击查看答案A.lain
B.laid
C.laying
D.lying
开始考试点击查看答案A.broadening
B.to broaden
C.to have broadened
D.to be broadened him.
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