Решение:
- A: The phone is ringing!
B: I will answer (answer) it. - A: Why are you taking your tennis racket?
B: I am going to play (play) tennis with my brother this afternoon. - A: Look at those black clouds!
B: It is going to rain (rain). - A: Oh no, I forgot my homework!
B: I will help (help) you with it.
Ответ: 1. will answer; 2. am going to play; 3. is going to rain; 4. will help.