When, if, before, as soon as, until, after

I'll get in touch with you ______ I come back from vacation.

• if

• when

Hurry up! ______ we don't hurry, we'll be late.

• if

• when

_____ they don't come soon, we'll eat without them.

• if

• when

You always have to raise your seat _____ before you land or take off on a plane.

• after

• until

• before

• as soon as

I'll pay your money _______ I can. Don't worry!

• after

• until

• as soon as

• before

It's no good complaining ______ the damage is done.

• after

• until

• as soon as

• before

They worked _____ it was very late at night, but they couldn't finish the project.

• after

• until

• as soon as

• before