future perfect vs future continuous

By the time you arrive, I _ _ _ something spectacular and

dinner will be on the table waiting for you.

• will cook

• will have cooked

• will be cooking

When you get off the train, we _ _ _ for you on the platform.

• will be waiting

• will wait

• will have waited

We _ _ _ on the first train next Monday.

• will leave

• will be leaving

• will have left

When I travel to England next year I _ _ _ English for over four years,

so I think I'll be ready.

• study

• will study

• will have studied

I'm sure that when you call him, he _ _ _ TV. He's always in front of the TV!

• will be watching

• will watch

• will have watched

At three o'clock tomorrow, I _ _ _ in my office.

• will be working

• would working

• will have worked

I _ _ _ French by 2023. I'm so excited !

• will be learning

• will have learnt

• will learn

Will he _ _ _ his master next month?

• be starting

• are starting

• start

We _ _ _ for a Tech Company by 2024

• will have worked

• will work

• are working

You use time expression "by the end of today/ week/ month/ year" in:

• future continuous

• future perfect