1)
1. Last night I was reading in the bed when suddenly I heard a scream.
2. Ann was waiting for me when I arrived.
3. What did you do at this time yesterday.
4. She hasn't breakfast at 9 o'clock last morning.
2)
1. Have you read a newspaper recently?
2. Have you had a holiday this year yet?
3. Have they hadn't eaten anything today?
4. Have you seen a good film recently?
3)
1. Tom has gone out before I arrived.
2. I went to see them after they have finished their dinner.
3. When we have entered the cinema, the film has already begun.
Объяснение:
ответ Marketing is the process of planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services to create exchanges that satisfy individual and organizational goals.
Exchange is the key term in the definition of marketing. The concept of exchange is quite simple. Ideal that people give up something to receive something they would rather have. It means that people give up something to receive something they would rather have. Normally we think of money as the medium of exchange. We "give up" money to "get" the goods and services we want. Exchange does not require money, however. Two persons may barter or trade such items as baseball cards or oil paintings.:
Объяснение:
;)