Ex4 Insert prepositions:
1. Algebra is widely used geometry ___ the metric relations.
2. Algebraic methods ___ the solution ___ geometric problems are very important .
3.Trigonometry is a branch mathematics which deals the relations ___ the angled and
sides triangles.
4. This equation is taken ___ the well-known treatise ___- euclid .
5. He succeeded solving this problem .
1)It was nice to watch the children listen to music.
2)The noise behind my back made me look around, I saw a man who was waving his hand and shouting something.
3. Can't you see that he wants you to help him?
4. I would not like you to think badly of him. We have always known him as a very honest person.
5. I have never heard him mention that name.
6. Do not allow children to watch TV until late. This is bad for their health.
7. I like to have windows facing south.
8. Let me give you some advice.
9. They felt it was time for them to leave.
10. Suddenly she felt someone lightly touch her shoulder.
11. I noticed the taxi slowed down and stopped at a street corner.
12. He always does what you want.
13. He knew this book was interesting, but he did not expect it to be so interesting.
14. I heard he is working on a new book now. Do you know what it is about?
Объяснение:
Present Perfect:
I have done my homework already.
He hasn't done his homework yet.
I have never met such a nice person.
Present Simple:
I go to school every morning.
We usualy have tea after breakfast.
She works as a shop assistant.
Present Continuous:
I am listening to music now.
We are watching TV right now.
Peter is playing football now.
Past Simple:
I saw him yesterday.
They painted the house two years ago.
Nick visited his grandmother last week.
Past Continuous:
I was playing tennis when he called me.
She was writing a letter yesterday at 5 o'clock.
We were cooking dinner when he came
Объяснение: