18. It is ______ that he has passed the examination, and I am _____ I will pass it too.

A. certain; certain                           B. certain; sure      

C. sure; certainly                            D. certainly; surely

93. It was ____ late to catch a bus after the party; therefore we called a taxi. 

A.too very                 B. much too           C. too much            D. Far

73. The general asked his men to push _____ so they might overtake the retreating(败退的) enemy troop.

 A.out                         B. over                         C. on                           D. Off

53. I’m afraid I can’t keep _______ my classmates as I’ve missed so many lessons. I have to ask my teacher for help.

A. up                     B. with                     C. up with                 D. on with

33. --- I'm        sorry to have put you into so much trouble.

  --- It doesn’t matter.

 A. extremely             B. extensively             C. too                               D. Much

13. --- How long has he been in the army?

--- Oh, he joined the army as far ____ as 1997.

ago                          B. away                   C. from                D. Back

123. At present nanotechnology(纳米技术), a kind of tip science_________to the common people. Few people know him.

A. unknowing         B. unknown          C. known            D. Untrue

103. “Now we are      not of funds(money) but of high technology”, the village leader said.

A. short                   B. sure                     C. certain                 D. Afraid

83. Although she tried her best to make her work _______, yet she failed in the end.

A. complete                B. well                         C. perfect                          D. Good

63. Morning reading is better by far to read _____ than to read in silence.

 A.loud                        B. louder                      C. loudly                      D. Aloud