81.You ought to _____ a test in physics the day before, I think. a. have taken b. take c. be taken d. be taking 82.Kepler proved that the sun ______ the center of the solar system. a. is b. was c. had been d. would be 83.This is one of the best novels that ______ this year. a. appears b. is appearing c. has appeared d. have appeared 84.My friend ______ here last week, but he couldn’t. a. was to have come b. must have come c. came d. had to come 85.He did not arrive until the meeting was nearly over, for the simple reason is that he _____ asleep while watching television. a. had fallen b. has fallen c. fell d. was falling 86.We had hardly sat down when she ______ plates of food for us. a. brought b. has brought c. had brought d. was bringing 87.A friend of mine returned to his house after a holiday ,only to find it ______. a. be broken into b. was broken into c. had broken into d. had been broken into 88.“What were you doing when Anna phoned you?” “I had just finished my work and ______ to take a bath.” |