There is a new problem involved in the popularity of private cars________road conditions need________.
She was staring out over the lake,_____ in thought.
It can be cheaper to buy a new washing machine than to get your old one _____.
He started to explain, but she cut him short,_____ she had to catch a bus.
_____ back problems, always bend your knees when you lift heavy objects.
A man rushed past and jogged her elbow,_____ the bag.