He ___ go to work by bus, but now he ___ riding a bicycle to work.
30. A person’s _____ body temperature is about 37℃. 31.
29. Great changes _____ in the city, and a lot of factories _____.
28. He suggested the meeting ___ ; however, the manager's look suggested that he ___ agree.
27.Albert Einstein, ____ life had once been very hard , was given the Nobel Prize for physics.
27. The ____kept by the doctor shows that the patient is gradually recovering. 28.