очень нужно.
Past simple/ present perfect

he must know some foreign languages. he  must work now over the new novel. now they must enjoy fine weather.

2. went

3. have you ever been

4. went

5. have sold

6. did you sell

7. sold

8. went

9. haven't been

10. have never seen

1.his

2.their

3.your

1.them

2.we

3.him

1.your,her

2.our,mine

1those

2.these

3.this

the tiger.

tiger is the biggest among all big cats. length of the body-150-300 sm. weight for a 400 kg. it's has very beautiful colouring of a wool. there's dark cross-section strips which are take one's share on a red background. it's cunning and crafty predator. it's lives among reeds and bushes, where colour of the animal merges with the environment. tiger lives in the hottest(tropical) countries of asia