Will + Infinitive for Spontaneous Decisions:

1. I’m not sure what to wear to the party tonight, but I think I ____ wear my new dress.
2. The phone is ringing, I ____ answer it.
3. We’re out of milk, I ____ go to the store and buy some.
4. The weather forecast says it might rain tomorrow, so I ____ bring an umbrella.
5. I can’t decide what movie to watch tonight, but I think I ____ choose a comedy.

Be Going to + Infinitive for Future Plans:

1. I have already booked my flight, so I ____ travel to Paris next week.
2. We ____ have a picnic in the park on Sunday if the weather is nice.
3. She has been studying hard, and she ____ take the exam next month.
4. They ____ move to a bigger house next year because their family is growing.
5. We have tickets for the concert, so we ____ see our favorite band perform live.