摘要： -You will fail the exam you don’t work hard. -OK, I’ll try my best. A. and B. though C. but D. if
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—You will fail the exam ______ you don't work hard.
—OK, I'll try my best.
—OK, I'll try my best.
[ ]
A. and
B. though
C. but
D. if
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B. though
C. but
D. if