---I rang you yesterday afternoon. A man answered, but I didn’t recognize the voice.
--- Oh, it ____ my uncle. He was in my room then.
A.must have been | B.should have been | C.must be | D.should be |
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---I rang you yesterday afternoon. A man answered, but I didn’t recognize the voice.
--- Oh, it ____ my uncle. He was in my room then.
A.must have been | B.should have been | C.must be | D.should be |