______ he tried many times, he still didn't move the heavy box.
—Do you know man in blue? —Yes, he is a professor of Jiangsu University.
—I’m going to buy a car. Any advice, Charlie? —Well, it depends on(根据) ________. If money isn’t a problem, you can buy a BMW.
—Driving less, walking more is good for our health. — So I’d rather ________ an hour’s walk to work than ________ driving a car.
— You won the first prize in the Physics competition. — _________. I made several terrible mistakes.
—Did you give Tom a call? —I didn’t need to , ________ I’ll see him soon.