Кто знает , ! надо выбрать одно из двух. 1.i was seeing/saw a friendly dog while i was walking/walked to work today. 2. yesterday, he was leaving / left work and took/was taking the bus straight home. 3. they were going/went to a birthday party last saturday night. 4. he was sleeping/slept when ann was calling/called for help. 5. nathan was walking/walked to school when he was meeting/met tom. 6. last year we were staying/stayed in a luxurious hotel in mexico city. 7. she was cooking/cooked at 5 pm yesterday afternoon when i called.

saw,was walking

left, took

went

was sleeping, was calling

was walking, met

were staying

was cooking

надеюсь, что это правильно

1. я видел/видел дружелюбную собаку, в то время как я шел/шел, чтобы работать сегодня.2. вчера, он оставлял / оставленный работу и брал / садиться на автобус прямо домой.3. они шли/шли в вечеринку по случаю дня рождения в прошлую субботу ночью.4. он спал/спал, когда энн называла/звала на .5. натан шел/шел к школе, когда он встречал/встречал тома.6. в прошлом году мы оставались/оставались в роскошном отеле в мехико.7. она готовила/готовила в 17: 00 вчера днем, когда я звонил.

+ yesterday:   my friend max and i went for a walk; i did my homework; i read an interesting book; i ate my breakfast;   i wrote an e-mail yesterday; i met my friend; i saw my granny yesterday; we were in the park yesterday; i gave her my new book to read; i took the dog for a walk yesterday in the morning.

- yesterday: i didn't see my friends; i didn't do my homework; i didn't drink coca-cola; i didn't have a rest; i didn't run; i didn't do this exercise yesterday. i didn't begin to read my new book yesterday.

1.He ___ the details on the screen right now.

a) is looking at  

2.I ___ at the sale results in detail every month.

c) look

3.We ___ a sample for testing last month.

c) took

4.When she ___ a new labor contract, she found it necessary to increase wages.

b)read

5.This month the sellers ___ some prices.

c) have changed

6. Production of equipment ___ sharply by the end of the year.

a) will have fallen

7.The company ___ just a new kind of washing machine.

c) has (just) developed

8.They ___the new type of product everywhere for a month.

c) have been advertizing

9.The strikers ___ to work next week.

a) will return

10. In the future video conferences ___ many international meeting.

c) will replace

11. Profit and losses of the firm ___ by the manager at the moment.

c) are being analyzed

12.More money should ___ on ecology.

c) be spent

13. How much money ___ by the World Bank to the developing countries recently?

b) has been given

14. If you have any questions, I ___ with them at the end of my presentation.

a) shall deal

15. If you ___me yesterday, I would have told you.

b) had phoned

16. We ___ that contract if we had made a better offer.

c) would have won

17. If my train isn’t late, I ___ in Paris at six.

a) shall be

18.If I ___ more shares, I would have become rich.

b) had bought

19. I wouldn’t worry if I ___ you.

c) were

20. We the new job if they had offered it to us. (местоимение you не походит по смыслу)

a) would have accepted