—I don’t know why Tom was absent from yesterday’s meeting.
—He must have been sick, _______?
A.isn’t he | B.didn’t he | C.wasn’t he | D.mustn’t he |
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—I don’t know why Tom was absent from yesterday’s meeting.
—He must have been sick, _______?
A.isn’t he | B.didn’t he | C.wasn’t he | D.mustn’t he |