The second book was(  )by August 1952, but two years later,

The second book was(  )by August 1952, but two years later, the end was still no

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No one had told Smith about (  )a lecture the following day.

No one had told Smith about (  )a lecture the following day.A.there being B.ther

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I remember(  ) to help us if we ever got into trouble

I remember(  ) to help us if we ever got into troubleA.once offering B.him once

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