Ответ:

22.

1. I'll go to the cinema when I finish my homework.

2. He'll go to the England before He'll spend a week in Brussels .

3.He can stay with us when he'll come to London in Aprill.

4. Let's live before it's going to de dark soon.

23.

1.when

2.if

3.if

4.if

5.if

6.when

7.when

8.if