68.1 I if I he i ill I not I absent I school I from I be I yesterday /.
A. If I hadn't been ill, I wouldn't be absent from school yesterday.
B. If I wasn't ill, I wouldn't have been absent from school yesterday.
C. If I haven't been ill, I wouldn't have been absent from school yesterday.
D. If I hadn't been ill, I wouldn't have been absent from school yesterday.
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