Choose the correct or more suitable forms of the verbs to fill in the blanks:
1. The plane ---------------------- at 3.30. (arrives; will arrive).
2. I will phone you when he ---------------- back. (comes, will come).
3. When I get home,my dog ------------------- at the gate waiting for me. (sits; will be siting).
4. I --------------------- the Joshis this evening. (visit; am visiting).
5. Look at those black clouds. It ------------ . (will rain; is going to rain)
1. will arrive
2. comes
3. will be sitting
4. am visiting
5. is going to rain