.Miss Li ________ as a biology teacher for fifteen years in our school, and now she is Party secretary of our city.
80. This novel is ______ a good book, but there are many that ______ better.
79. There are only five minutes left before the train leaves. You should run _______ .
78. Eric’s father, a skilled worker has repaired a lot of bikes of this kind, so he will _______ succeed in repairing your bike, I suppose.
77. --- What is the weather like these days?--- It has been warm for ______ few days.
76. What she said is ________ true. That is to say, not all she said is true.