не могу понять что вставить в предложение

1) It (is raining/rains).Take an umbrella

2)it often (is snowing/snows) in vinter

3) it's very hot today .The sun (is shining/shines)

4)it's usually warm in spring.It often (is raining/rains)

5)it's summer.Children often (is going/goes) camping