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Complete the zero conditional sentences with the verb in brackets. Use contractions where possible.
it turns I go they don't have he's comes you aren't I don't know we don't do
- If you press that button, the light(come) on.
- It's easier to sleep if(you / not / be) stressed.
- The teacher gets angry if(we / not / work) hard.
- If(I / go) on a boat, I always feel sick.
- His mother gets annoyed if(he / be) late.
- If(I / not / know) a word, I look in my dictionary.
- They play football if(they / not / have) any homework.
- If you freeze water,(it / turn) to ice.