Вопрос по английскому языку:

Помогите с английским пожалуйста.
I.задание
1.I(know) the result of the test in a week.
2.This time next week I(sit) on a beach.
3.We (do) our homework by 10 o'clock yesterday.
4.She will send her family a telegram as soon as she(arrive).
5.When we arrive the lecture(start).
II задание.
1.After dinner they usually .... for a walk.
a)go ;b)are going ; c)will go
2.It often .... last winter.
a)snow ; b) was snowing ; c)snowed