Don’t the people who are in trouble. We should be friendly to them.
Only after he had spent several nights working on the math problem_______to wonder whether the problem was wrongly set.
My deskmate always __________ a rubber ____________me.
The story ______ I read the newspaper was about a common problem among teenagers.
Mum, I can’t find my new pen.—Don’t worry. It ____________in one of your pockets.