which word to choose: since or \for? 1)You have been writing the composition_____ three...

Question

which word to choose: since or \for?
1)You have been writing the composition_____ three hours already. It"s time to finishit.
2)i have been teaching in this school______autumn
3)Sally has been watching TV___she came from school.It"s time for her to do homework.
4)Mary and Ann have been planting floowers____a long time
5)Sue,I"ve been waiting for you____half an hour
6)It has been snowing_____some time
7)Bob has been collecting toy cars____childhood.
8)The boys have been playung footbal_____an hour and a half.

Answer 1

1)for

2)since

3)since

4)for

5)for

6)for

7)since

8)for

Answer 2

1)You have been writing the composition for three hours already. It"s time to finishit.
2)i have been teaching in this school since autumn
3)Sally has been watching TV since she came from school.It"s time for her to do homework.
4)Mary and Ann have been planting floowers for a long time
5)Sue,I"ve been waiting for you for half an hour
6)It has been snowing for some time
7)Bob has been collecting toy cars since childhood.
8)The boys have been playung footbal for an hour and a half.

 

for -  в течение какого-то времени

since - с какого-то времени