— May I remind you that a Mr. Smith is waiting outside, sir?
— Oh, that’s right. I ______ about it.
A.forget | B.forgot | C.had forgotten | D.have forgotten |
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— May I remind you that a Mr. Smith is waiting outside, sir?
— Oh, that’s right. I ______ about it.
A.forget | B.forgot | C.had forgotten | D.have forgotten |