Choose the correct sentence for each situation

There are grey clouds in the sky. It is likely to rain.

• [ ]
• It will rain, so let's go inside!

You have just decided to have a walk.

• I think I'm going to have a walk.
• I think I'll have a walk.

You plan to go to Sochi in September.

• I'm going to Sochi in September.
• I'll go to Sochi in September.

You promise your friends to be on time for the show.

• I'm not going to be late, I promise!
• I won't be late, I promise!

You see that the paper bag with the groceries is about to fall from the table.

• Hold the bag—it's going to fall!
• Hold the bag—it'll fall!

Your friends asked you about your weekend plans, but you haven't decided on what to do yet.

• Maybe I'm going to go to the park.
• Maybe I'll go to the park.

You're not sure about your plans for the evening.

• I'm probably going to stay in and watch TV series.
• I'll probably stay in and watch TV series.