69. The tuition fees are ( )to students coming from low-income families.

71. The team has been working overtime on the research project ( ).

70. In the face of unexpected difficulties, he demonstrated a talent for quick, ( ) action.

69. School started on a ( ) cold day in February.

68. There were 150 ( ) at the international conference this summer.

67. During the summer vacation, kids are often seen hanging ( ) in the streets.

66. Due to personality ( ), the two colleagues never got on well in work.

65. ( ) should not become a serious disadvantage in life and work.

64. Which of the following words can NOT be used to complete "We've seen the film ( )"?

63. Which of the following sentences has an object complement? ( )

62. Which of the following sentences is INCORRECT? ( )