【正文】
9。 t have visited D. shouldn39。 in the second she placed eggs。t have been C. mustn39。 1, It looks like rain, so you’d better ______ without an umbrella. A. go B. not to go C. going D. not go 2, The children are full of ______. They have been playing all day long without resting. A. force B. power C. energy D. strength 3, She became fatter and fatter, so the doctor advised her ______. A. losing weight B. to lose weight C. to keep weight D. to gain weight 4, Since your brother is in trouble, you ______ give him a hand. A. need B. could C. might D. should 5, Let’s go to a movie after work, OK? — _____________ A. Not at all. B. Why not? C. Never mind. D. What of it? 6, I was really anxious about you. You _______ home without a word next time. A. mustn’t leave B. shouldn’t have left C. couldn’t have left D. needn’t leave 7, Black holes _____ not be seen directly, so determining the number of them is a tough task. A. can B. should C. must D. Need 8, I think he could have joined us, but he ____ A. doesn39。t have visited 10, You know that you were driving 100 km an hour, don39。 and in the last she placed coffee beans(咖啡豆) . About twenty minutes later she 18__ the burners. She got the carrots, eggs, and coffee from the three bowls. Turning to her daughter,