The books,__________ the dictionaries, must be put back where they __________.
The more you practise ______ English, the better your _____ English will be.
Anna is often heard ______songs in her room.
I went ______a balloon but I didn’t see anyone _____ balloons.
This soup is cold; it needs _____.
She sat at the desk and set about _____ a letter to her friend.