80. It ______ a long time since I last saw him. A. was B. is C. will be D. had been 81. Mr. John_______ to Los Angeles in 1992. A. was going B. had gone C. went D. has gone 82. What ______ to you yesterday? A. had happened B. has happened C. did happen D. happened 83. I never go to Australia. I _____ to Australia yet. A. will go B. went C. haven't been D. have been 84. My mother ______ in this factory since 1990 A. works B. worked C. had worked D. has worked 85. I _____ my hair before breakfast this morning. A. had washed B. have washed C. was washing D. washed 86. I _____ about him when he suddenly came in. A. am talking B. talked C. was talking D. talk 87. He will finish this work before you _______ here tomorrow. A. would leave B. are going to leave C. will leave D. leave