The spread of the Ebola virus in Nigeria is believed _______ by August, 2014.
| A.to be controlled |
| B.to have been controlled |
| C.to control |
| D.to have controlled |
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The spread of the Ebola virus in Nigeria is believed _______ by August, 2014.
| A.to be controlled |
| B.to have been controlled |
| C.to control |
| D.to have controlled |
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