If penicillin _____________ available, many people ______________ from sickness.
A.weren’t , would have died | B.shouldn’t be, would die |
C.hadn’t been, would have died | D.is, will die |
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If penicillin _____________ available, many people ______________ from sickness.
A.weren’t , would have died | B.shouldn’t be, would die |
C.hadn’t been, would have died | D.is, will die |