All of us found ________difficult to work out the maths problem.
—Would you mind opening the window? —_______ Please do.A .Certainly not B. You’d better not C. I’m afraid so
—I have a _______. —You shouldn’t eat too much candy.A. toothache B. headache C. backache
—What’ s your favorite _______? — Baseball.A. fruit B. player C. sport
He wants to be a policeman. That’s his _______.A. work B. dream C. future
Rather than to school by bus, I preferred______a bike.