Resposta:

7. a) I will do this later.

b) We will go shopping.

c) The sun will shine.

d) Peter will call you.

e) They will be there.

8. a) It won't rain tomorrow.

b) I promise I won't be late.

c) We won't start to watch the film without you.

d) The bus won't wait for us.

e) He won't believe us.

9) a) What will they learn?

b) Will it snow tomorrow?

c) When will you get home?

d) Will she forgive me?

e) What will he say about me?

Explicação:

Aqui, fala-se apenas de futuro simples, então, tudo leva will (ou won't, se for negativo).