Put the verb in brackets into correct positive form. When it is warm, I … (take) off my coat. It is...

To fill in the blanks with the correct positive form of the verbs in brackets, we need to consider the context of each sentence. Most of these sentences describe general truths or habitual actions, which typically require the present simple tense in English.

1. When it is warm, I take off my coat.

   • This sentence describes a habitual action that occurs when the weather is warm.

2. It is a funny situation but she looks very unhappy.

   • Here, "looks" is used to describe her current state, which fits the present simple for general states or truths.

3. An interpreter translates from one language into another.

   • This is a general statement about what interpreters do, requiring the present simple tense.

4. I recommend you to go to this new restaurant.

   • The speaker is giving a recommendation, a common use of the present simple.

5. City Museum closes at 5 o’clock in the evening.

   • This sentence provides a fact about the museum's schedule, so the present simple is appropriate.

6. Water boils at 100 degrees Celsius.

   • A scientific fact is expressed here, requiring the present simple tense.

7. Julia is a teacher. She teaches Maths to young children.

   • This describes Julia's occupation, which is a habitual action and uses the present simple.

8. Wool comes from sheep.

   • This is a general truth about the origin of wool.

9. In Britain, the banks usually open at 9.30 in the morning.

   • This sentence describes a regular schedule for banks, which fits the present simple.

10. Nick usually sleeps eight hours a night.

    • This describes Nick’s regular sleeping pattern, requiring the present simple.

11. The sun sets in the west.

    • This is a universal truth about the natural world, using the present simple.

12. Ann and I are good friends. We have lots in common.

    • This sentence describes a fact about their friendship.

13. Sue always arrives at work early.

    • This describes a habitual action of Sue, using the present simple tense.

14. The Earth goes round the Sun.

    • A scientific fact about the Earth's orbit, requiring the present simple.

15. Food is very expensive in this country. It costs a lot of money.

    • This sentence describes the general cost of food in a particular country.

16. Plants need water to grow.

    • A biological fact about plants.

17. Caterpillars turn into butterflies.

    • This describes a biological transformation, using the present simple.

18. My job is very interesting. I meet a lot of people.

    • This describes a regular aspect of the speaker's job.

19. Tony is 34 and he has 73 prizes from skateboarding competitions.

    • This sentence states a fact about Tony’s achievements.

20. Shoes are very expensive. They cost a lot of money.

    • This is a general statement about the price of shoes.

In summary, the present simple tense is used here because these sentences describe general truths, habitual actions, or states of being.

When it is warm, I take off my coat.

It is a funny situation but she looks very unhappy.

An interpreter translates from one language into another.

I recommend you to go to this new restaurant.

City Museum closes at 5 o’clock in the evening.

Water boils at 100 degrees Celsius.

Julia is a teacher. She teaches Maths to young children.

Wool comes from sheep.

In Britain the banks usually open at 9.30 in the morning.

Nick usually sleeps eight hours a night.

The sun sets in the west.

Ann and I are good friends. We have lots in common.

Sue always arrives at work early.

The Earth goes round the Sun.

Food is very expensive in this country. It costs a lot of money.

Plants need water to grow.

Caterpillars turn into butterflies.

My job is very interesting. I meet a lot of people.

Tony is 34 and he has 73 prizes from skateboarding competitions.

Shoes are very expensive. They cost a lot of money.