If it rains, the plants and trees..........

When you .........red and blue , you get purple.

If he puts ice in the sun , it..........

If they ..........fast , they get very tired.

If you .......water at 100 °C , it boils.

If he mixes blue and yellow , he .........green.

If the students .............attention in class, they understand the new topic.

If you ..........your homework , your teacher gets very angry.

If he ........... early, he arrives late to school.

If it is a sunny day , we generally .............for walks.

My mother .........angry when I don't make my bed.

When we .........hungry , we make a big sandwich to eat .

He drinks water when he ..........thirsty.

If my dad feels ill , he ........to work.

The little children get dirty if they ...........with mud.

I .......tired the next morning if I go to bed late.

When the weather is hot , we ...........to the river.

If she .......... red and yellow , she gets orange.

I ..........getting up late when it's a holiday.

If he wins the race , he ........... a prize.

If I have enough money , I .............a big house.