You will surely fail in the exam（）you work hard.
A: but
B: if
C: unless
A: but
B: if
C: unless
举一反三
- Work hard, ______ you will fail in the exam. A: although B: and C: or D: unless
- You _____the English exam if you don't work hard. A: won’t pass B: will pass C: fail D: is going to
- You will fail _____ you study hard A: if B: unless C: as long as
- If you work hard ,surely you can survive it,
- As long as you work hard, you will be surely rewarded.