题目内容
The spread of the Ebola virus in Nigeria is believed ______ by August, 2014.( )
A.to be controlledB.to have been controlled
C.to controlD.to have controlled
考点:不定式
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题目内容
The spread of the Ebola virus in Nigeria is believed ______ by August, 2014.( )
A.to be controlledB.to have been controlled
C.to controlD.to have controlled
考点:不定式