We should always keep the classroom ________ and tidy.
My mum _______ a teacher when I grow up.
Mark is always ready to help those who are in trouble.
—The cakes are quite delicious! Can I have some?— Sorry, there is_________ left .What about some biscuits?
The woman became famous ______ the new song.
My watch doesn’t work, so I decided______ a new one.