How the fire in the dancing hall started _________ a mystery.

－Where did you put the car keys?－Oh, I ______ I put them on the chair because the phone rang as I _______ in.

Listen to the two girls by the window. What language _____?

— I ______ the chance to apply for the new post. What do you think? — I think you should go for it. We’ll all back you up.

 Bob tried to sweet-talk his mother into letting him go out. But when he saw his sweet talk________， he lost his temper.