51. My brother has the__________ (able) to finish the hard work in ten minutes.
52. People in some____________ (west) countries don't like the number thirteen.
53. Be____________ (care) with your words. He is easy to get angry.
54. Ice turns into water when the temperature is ______________ (超过) 0℃.
55. There are two ____________（座位）left in the back row.
56. Sometimes the teacher watches his students _____ (透过) the window.
57. The cat is ______________(躺）fast asleep by the fire.
58. Now he is tall and strong, but you won’t believe he _____ (重) only 2 kilos at birth.
59. Look both ways before c_______________ the street.
60. My grandma is already 80 years old, but she is still able to take care of h_______________.