ОТ
1. Jane looks tired, I think she (work) _ in the garden. Has been working/has worked
2. Our teacher usually hands (in/ out/ back) our exercise books when classes begin.
3. This author (write) children's books for many years, a lot of people know and read them. Has been writing/has written
4. You'll get a nice present if you behave . yourself/itself
5. He has got (little / a little) time. He can play tennis.
6. The family (live) at the seaside since after the war. Has lived/have been living
7. The plane couldn't take (down/ off/ away/ up) because of the snow.
8. Dress quickly, we must leave the house in ten minutes not to be late. Yourself/herself
9. Scientists at home and abroad (study) the problems of ecology for many years now. Have been studying/have been studied
10. It was very pleasant to bathe in the river on a hot summer day. /myself
11. Did you take (down/ off/ away/ up) his words?
12. Children should know how to behave in public. Themselves/yourselves
13. A number of old trees are lying on the ground. It's clear that a very strong wind (blow). Has been blowing/has blown
14. We have got (little / a little) coffee. It’s not enough for all of us.
15. Did you and your friends enjoy at the picnic yesterday? Yourselves/ourselves
16. I (know) Peter since we went to school together. Have known/have been knowing
17. Do you know many foreign people? - No, I don’t. I know very (few / a few)
18. Don`t forget to give the bike (out/ back/ away/ up) to Jim.
19. What (influence) your decision to be-come an engineer? Has influenced/have been influencing
20. Tom has (little/ few) phones at home.
21. What are you laughing at? What (I say)? have said/have been saying
22. Three soldiers were fighting (between/among) themselves.
23. A cold war is going on (between/among) India and Pakistan.
Северная Америка — это континент, расположенный в Северном и Западном полушариях и вместе с Южной Америкой и Центральной Америкой образуют огромный субконтинент, известный как Америка. Северная Америка омывается тремя океанами: Северным Ледовитым океаном на севере, Тихим на западе и Атлантическим океаном на востоке. Будучи третьим по величине материком на Земле после Евразии и Африки, Северная Америка занимает территорию в 9,5 миллионов квадратных километров.
Ex-1
1. are 2. is 3. is 4. is 5. are 6. am 7. are 8. is 9. are 10. are
Ex-2
1. Is Molly translating an article? No, Molly isn't translating an article.
2. Are Jack and Sam gathering pears in the garden? No, Jack and Sam aren't gathering pears in the garden.
3. Is it getting warm? No, it isn't getting warm.
4. Are we climbing a mountain? No, we aren't climbing a mountain.
5. Are you playing basketball now? No, I'm not playing basketball now.
6. Are the children washing hands in the bathroom? No, the children aren't washing hands in the bathroom.
7. Is your grandfather reading a newspaper now? No, my grandfather isn't reading a newspaper now.
8. Is your family having supper now? No, my family isn't having supper now.
9. Is Angela ironing her dress now? No, Angela isn't ironing her dress now.
10. Are you looking for your kitten now? No, I’m not looking for my kitten now.
Ex-3
1.Alice and Ron are sitting in a cafe now.
2. It isn't snowing outdoors now.
3.We're waiting for our teacher in the classroom.
4 I'm watching the children playing in the yard.
5.The girls are arguing about what present to buy for Lewis.
6 Andrew isn't having a rest at the moment.
7.Look! All the people are coming into the hall.
8 Unfortunately our experiment isn't going according to the plan.
9 Pam is standing too close to the road.
10.The students aren't having a lecture now.
11 Her health is improving day after day.
12 Look! The guide is pointing at some ancient building.
13 I'm not discussing this question now.