When

I'm going to London. I'll send you a message ____ I get back.

• if

• when

I am going to Berlin next month. _____ I'm there, I'll visit a friend of mine.

• If

• When

Mike will watch television ______ he has finished his homework.

• if

• when

My father will buy me a car ____ I'm eighteen.

• if

• when

I was washing the dishes,_______ I broke the glass.

• when

• while

What were you doing ______ I called you?

• when

• while

I'll call you ____ I arrive at the airport.

• if

• when

• while

• after

She was reading a book ____ the lights went out.

• if

• when

• while

• because

____ the clock strikes twelve, the new year will begin.

• If

• When

• While

• Before

He will start cooking dinner ____ he finishes his work.

• if

• when

• while

• after