Entering the room, I found Mary ______at the desk and _____a letter.
It is a waste of time ______ him – he is determined to go his own way.
He began ______ in the early fifties, singing and ______ the guitar.
I saw her ______ the letter into the envelope and then ______ the envelope into the postbox.
Do you think, nowadays, the media has become more commercial and ______?
- Do you know what made her so sad?-______the final exam.