83.He didn’t go to detail on the subject. He spoke ________.

　A. in common 　B. in particular 　C. in general 　D. in advance

82.When I entered the classroom, I saw Mary ______ at the desk and ______ a letter.

A. seating; writing　 B. seated; wrote　 C. sitting; wrote　　 D. seated; writing

81.He remained calm ________ nothing had happened,______ astonished all of us.

　A. as though; which　 B. as if; what　 C. even if; who　　 D. so that; that

80.She always finds _____ a waste of money and time ______a day dream in school.

　A. that; to dream B. this ; to dream C. its; dreaming D. it ; dreaming

79. ________ will be in charge of the project______ been decided yet.

　A. Whoever; haven’t　　 　　B. Which; hasn’t

C. Who; hasn’t　　　　　 　　D. Whichever; haven’t

78. ______worried the child most was _____ to visit his mother in the hospital.

　A. What; his not allowing　　　 B. What ; his not being allowed

C. Which; his being not allowed　 D. That; not having been allowed

77.We shouldn’t complain about________, because many families are much _____ in the mountainous area.

　 A. being poor; worse off　 B. being rich; better off

C. to be poor; badly off　 D. to be rich; well off

76.All the machines stopped _____ with the electricity _____ throughout the factory.

　 A. working; cut through　 B. to work; cut down

C. working; cut off　　　 D. to work; cut up

75. You should try to get a good night’s sleep ________ much work you have to do.

　A. whichever　 B. whenever　 C. however　 D. whatever

74. Neither Tom nor Jack and I ________ his students, but each of us ______ him very much.

　A. am; likes　 B. is ; love　 C. are ; likes 　D. was; loves