If / When

If you don't water the flowers, ........ ( they wither / they smile)

You may get sick ..... ( if you drink cold water in winter / if you drink herbal tea in winter)

When I'm bored,............ . ( I go and play with my friends / I goes and plays with my friends)

You should go to sleep ........ ( if you feel tired / if you feel energetic )

When I'm angry, ........ ( I count to ten / I say sorry )

If you heat ice, ....... ( it boils / it melts)

You may see the Eiffel Tower ......( if you go to the beach / if you visit Paris )

If you put metal bars in the rain, ......... ( it gets warmer / it gets rusty)

If I'm hungry, ......... . ( I had a snack / I have a snack.)

You can find the answer ............ ( if you think carefully / If you turn around )

If you study regularly, ........(you can pass your exams / you can hurt yourself)

What ( do / does ) you do if your mum doesn't let you play computer games?

If you ............. ( don't / didn't) see me at school, you can call me.

(What did you do / What do you do ) if you feel unhappy?