. I’m sure he knew all about the secret because he was there when we were talking. A. He must be knowing all about the secret because he was there when we were talking. B. He should have kn
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I’m sure he knew all about the secret because he was there when we were talking.
He must be knowing all about the secret because he was there when we were talking.
He should have known all about the secret because he was there when we were talking.
He must have known all about the secret because he was there when we were talking.v
He might have known all about the secret because he was there when we were talking.