Will and going to (talking about the future)

I ​ (a)   call you later to discuss the project.

• will
• 'm going to

She ​ (a)   to start a new job next month.

• is going
• will

They ​ (a)   travel to Spain for their summer vacation.

• will
• are going to

Look at those dark clouds! It ​ (a)   rain soon.

• is going to
• will

He ​ (a)   probably win the competition if he trains hard.

• will
• 's going to

We ​ (a)   visit our grandparents this weekend.

• are going to
• will

I think technology ​ (a)   change the world in the next decade.

• will
• is going to

Be careful! That glass ​ (a)   fall off the table.

• is going to
• will

She ​ (a)   help you with your homework after dinner.

• will
• is going to

They ​ (a)   buy a new car because their old one broke down.

• are going to
• will