86. The man is standing _______ his back _______ the fire.
A. with … to                B. with … against        C. on …for                D. at … of
87. I looked everywhere in the house ______ a key that had been lost.
A. in searching for                                B. in search of
C. to search                                                D. searching of
88. I insisted that he_______ at once.
A. leave                        B. left                        C. leaves                        D. leaving               
89. When will you _______ me the money that was borrowed?
A. pay                        B. repay                        C. pay for                        D. repay for               
90. "Do you have any clothes to ______, Tom?" mother asked.
A. wash                        B. washing                C. be washed                D. washed               
91. You may use the book as you like, _______ you keep it clean.
A. unless                        B. so long         C. as long                        D. so long as               
92. He ________ the world record.
A. failed to break                B. failed to breaking                C. failed breaking                D. failed broken
93. No ________ what you say, _______exists in three states.
A. matter…matters                                        B. matter…matter
C. matters…matter                                        D. matters…matters                       
94. I wonder what time lunch is_______ in your school.
A. given                        B. taken                        C. served                                D. eaten                        liuxuepaper.com