Answers:
Sentence 1:
They can't call me because they don't know my new telephone number.
Sentence 2:
It is going to rain. As soon as the rain isn't stopping. I will walk downtown.
Sentence 3:
What's your sister doing now ?
- She is cooking dinner in the kitchen.
Sentence 4:
We won't go camping next week. We will visit the museum.
Sentence 5:
The moon goes around the earth
Sentence 6:
It snows here in the winter.