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Exercise 4: Circle the correct option in brackets.
1. If it rains tomorrow, the teenagers ___ (mustn’t / must) ___ wear raincoats to school.
2. They ___ (might / should) ___ understand the new concept better if they study together.
3. You’ll feel hungry before lunch if you ___ (won’t eat / don’t eat) ___ breakfast.
4. Emily ___ (can / must) ___ buy the new phone she wants if she saves money.
5. If Johnny exercises more, he ___ (must / might) ___ feel healthier.
6. She will probably fail if she ___ (doesn’t study / studies) ___ for the test.
7. If the team trains hard, they ___ (will / should) ___ have a chance of winning the competition.
8. You ___ (can / may not) ___ improve your skills if you practice playing guitar every day.
9. If teenagers don’t eat healthy food, they ___ (should / may) ___ experience health problems later.
10. Your parents ___ (aren’t / won’t be) ___ happy if you can’t finish your chores before playing video games.