'make' or 'do'

Mahmoud's father is - - - business in Iran.

I'm going to - - - a huge bowl of salad for the party.

Fifty years ago - - - a phone call anytime you wanted was a very rare thing.

She's - - - an online course on project management.

When he was a child, his father didn't help him - - - his homework.

Oliver always - - - his homework on time.

- - - friends is very easy for him because he's a friendly boy.

I will - - - you a sandwich if you're hungry!

Empty vessels - - - the most noise.

Nowadays a lot of people would like to - - - plenty of money very easily.

Ashley has - - - a lot of mistakes in the exam.

As he doesn't have free time during the week, he - - - the laundry at the weekends

There's been a new trend in South Korea among young people: - - - nothing!

My mom always - - - a list of things she'd like to buy before going shopping

You should think carefully before - - - a decision about your life.

Before seeing your dentist, it's advisable to - - - an appointment.

I don't have time to - - - exercise after work.

It's a great feeling when you - - - a job you love and get paid satisfactorily.

I always - - - a cup of black coffee as first thing in the morning.

Before going out, you've got to - - - sure that you've turned off the lights.