52. Dogs cannot distinguish the color of traffic lights, so the master must make the decision of when it is safe to () across the road.

37. When the police caught up with him, Mr. Foster had to () that he’d broken the speed limit.

36. As the result of her divorce, she was obviously () the double burden of playing the role of both mother and father.

35. This symbol of Chinese () for 5,000 years implies the national spiritof courage and determination.

34. His efficiency in doing things is a sign of being () to solve aproblem or fulfill a job successfully with speed.

33. Upon seeing the surprise gift, she couldn’t help but (), “This is themost beautiful necklace I’ve ever seen!”

32.For those suffering from fatigue and poor performance, it is() to eat red meat since it contains rich iron.

31. He expressed his thankfulness to the school for giving his son an opportunityto ()( his dream.

30. Though some employees ()( the new rule by the company, most ofthem are in favor of it and think it’s beneficial to them.

29. One key goal of our bold ()( plan is to enhance our relationshipwith alumni and friends in our alma mater.

28. He said, “The best way to ()( the city is to get people working andliving in the city center.”