Respuestas
1)If it is cold, i put on a coat.
2) If it rains, the plants and trees water.
3) When you mix red and blue, you get purple.
4) If he puts ice in the sun, it melt.
5) If they run fast, they get very tired.
6) If you heat water at 100°C, it boils.
7) If he mixes blue and yellow, he get green.
8) If the students pay attention in class, they understand the new topic.
9) If you don't do your homework, your teacher gets very angry.
10) If he doesn't wake up early, he arrives late to school.
11) If it is a sunny day, we generally go for walks.
12) My mother gets angry when i don't make my bed.
13)When we are hungry we, make a big sandwich to eat.
14) He drinks water when he is thirsty.
15) If my dad feels ill, he doesn't go to work.
16) The little children get dirty if they play with mud.
17) I get tired the next morning if i go to bed late.
18) When the weather is hot, we swin to the river.
19) If she mixes red and yellow, she gets orange.
20) I am getting up late when it is a holiday.
espero te ayude <3