30. There is a common belief among the students in our school ______ they should try their best to learn and reach the peak of their academic performances.
31. The Beatles, the supreme rock and roll band of the 1960s, were in many ways pioneers for ______ was to come, like holding concerts in sports stadiums.
75. The emperor asked his officials to interpret his dream, _____ he gave the instruction ______a group of officials should go on his behalf to find more about Buddha.
A . in which, whatB . when, whichC . where, whichD . after which, that