84. - Must I turn off the gas after cooking ?

　 - Of course . You can never be____careful with that .

　 A．enough 　　　　　　　　　 B．too 　　　　　　　　　　 C．so 　　　　　　　　　　 D．very

83. －Is your headache getting_____________?　　　　 － No, it’s worse.　

　 A．better　　　　　　　　　　　　 B．bad　　　　　　　　　 C．less　　　　　　　　　　 D．well

82. David has won the first prize in singing; he is still very excited now and feels________ desire to go to bed.

A. the most　　　　　 B. more　　　　　 C. worse　　　　　 D. the least

81. --- How is everything going on with you in Europe?

　 --- Quite well. Not so smoothly as I hoped, _______.

　A. though　　　　　　 B. instead　　　　 C. either　　　　　 D. too

80. What a table ! I’ve never seen such a thing before .It is___ it is long.

　 A．half not as wide as　　　　　　　　　　　　　　　 B．wide not as half as

　 C．not half as wide as 　 D．as wide as not half　

79. To understand the grammar of the sentence, you must break it ____into parts.

　 A．down　　　　　　　　　　　 B．up　　　　　　　　 C．off　　　　　　　　　　　 D．out

78. John is very lazy. He falls ______ behind in his studies.

　A. very　　　　　　　 B. far　　　　　 C. more　　　　　　 D. still　

77. --- ______ that he managed to get the information?

--- Oh, a friend of his helped him.

A. Where was it　 　　　 　B. What was it　 C. How was it 　　 D. Why was it

76. Mr. Smith owns ______ collection of coins than anyone else I have ever met.　

A. larger　　　　　　　 　　 B. a larger　　 C. the larger　 　　 D. a large

75. --- Have you been to New Zealand?

--- No. I’d like to, ________.　

A. too　　　　 　　　 B. though　 　　 C. yet　　　 　　　　 D. either