re is a dog over there Look,out______ Be careful!

Much __ his surprise, the moment he went into the classroom, every one stood up clapping to congratulate him ___ winning the first prize.

Yahoo recently announced to ________ 2,000 employees, about 14% of the company’s workforce, aiming to save $375 million annually.

9．You_______if you had spoken the truth out. But you were as quiet as a mouse.

Food problem is becoming a big one in China! —I think the food ________ before goingto shops or supermarkets.