1.

What does he order to start?

He orders the shrimp to start.

2.

What would he like for the main course?

He'd like a T-bone steak with French fries.

3.

What would she like to start?

She'd like the avocado to start.

4.

What does she order for the main course?

She orders salmon with French fries for the main course.

5.

Would these customers like a dessert or something to drink?

He wouldn't like anything else, but she would like a glass of beer.