kjs980508 My grammar book considers only the first one to be the answer. I don't agree. Both sentences are grammatically fine, though the meanings are slightly different: in the first the teaching continued, but in the second, that is not necessarily so.
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kjs980508My grammar book considers only the first one to be the answer.I don't agree. Both sentences are grammatically fine, though the meanings are slightly different: in the first the teaching continued, but in the second, that is not necessarily so.