Tell Mary there is someone __________ for her at the door.
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.
25. What he said ____ a big difference to the way of my thinking. ____, his words have a great effect on me.26.