—The charity walk begins _______ 9.00 a.m. Don’t be late. —No problem.
—Mother’s Day is coming. Here is a pair of jeans for you, Mum. — ______ beautiful blue jeans! Thank you, Amy.
We should throw the rubbish into the dustbin ______ protect our environment.
Be careful when you take exams. Check your paper to ________ there are no mistakes before you hand it in.
— Can we ask Jeff for help with our English? — You’d better not. He is the last person _______ others.
— Could you tell me_____ ? — About half an hour.