1. Translate paying attention to Subject Clauses.
1. What has been achieved thus far is insight into economic mechanisms. 2. How pleasant work can be is shown by a simple fact. 3. What a
decision problem is must be clearly defined. 4. Whether the methods have
been used since then is not known. 5. Whether this could be achieved with
a triplex mechanization was to be determined. 6. Which method is preferred depends entirely on circumstances. 7. Whether or not a social system
evolves and survives is dependent on the efficiency with which it processes
information

1.yes it is. we keep there our potatoes.

2.there are 4 rooms. there are 2 rooms upstairs and 2 rooms downstairs. no, we don't.

3.my house made from bricks. no, there aren't.

4.yes, there are. no, there isn't.

5.yes it is. yes i do. 

6.the ceilings are high. yes it is.

7.yes, it is. we keep them in the big room.

8.yes, it is. 

9.yes, there are. yes, it is.

10.yes, it is.

11.the rooms are cluttered.

12.yes, we do.

13.yes, we do.

14.my father is.

15.it looks like the palace on the ourside. yes, it is.

16.no, it isn't.

17.yes, it is.

18.no, we aren't.

1) jane was angry because mark  hadn't calledher since last weekend. (past perfect)

2) sophie had a headache because her baby sister had been cryingall afternoon. (past perfect)

3) joanna had switched the tv off and went to bed.    (past perfect)

4) mike slipped and twisted his ankle while he was playingfootball yesterday. (past continuous)

5) tony was shocked. he couldn't believe what had just happened.    (past perfect)

6) after john had parked the car, he went into the house.    (past perfect)

7) this time yesterday, we were lying on the beach sunbathing. (past continuous)

8) i didn't go out last night because  i hadn't finished my homework.    (past perfect)

9) jack had been working at the company for ten years before he left. (past perfectcontinuous)

10) he  had been drivingfor an hour when the car broke down. (past perfectcontinuous)

митохондрии-органоиды клетки , учавствующие в процессе клеточного дыхания и запасающие для клетки энергию ввиде атф

yury.vitalii.vladimir