Люди добрые,помогите, пожалуйста !

Ответ:

1. 1) since 2) for 3) since 4) for 5) since

2. 1) have been 2) Did you see 3) have they known 4) watched 5) Have you seen 6) has not been 7) did he buy 8) cooked 9) has she been 10) have not heard

3. 1) lived 2) baked 3) have you played 4) have not watched 5) did not buy 6) has she known 7) Did you take 8) heard 9) has been 10) did not see

Объяснение: