Let's use either "going to" or "will" to complete the sentences correctly.
a. Don't forget, it's Jo's birthday tomorrow.
b. Is it? O.K., I'will send her a card this afternoon.
Explanation: "Will" is used for a spontaneous decision.
a. What are you plans for the summer?
b. We'are going to spend the whole summer by the sea.
Explanation: "Going to" is used for planned actions.
Oh no, look at that child. She is going to fall off her bike!
Explanation: "Going to" is used for predictions based on present evidence.
I think Ruth will pass her exams without much difficulty.
Explanation: "Will" is used for predictions based on opinion.
Those bags look heavy. I will carry one for you.
Explanation: "Will" is used for offering help.
a. Now don't forget to phone us.
b. Don't worry. I will phone every day.
Explanation: "Will" is used for promises.
If my grades are good. I will get a place at university.
Explanation: "Will" is used in conditional sentences (type 1).
Millions of people will die of hunger again next year.
Explanation: "Will" is used for future facts.
Ответ: See the explanation above.