—May I open the window to let in some fresh air?
—__________.
| A．Come on! |
| B．Take care! |
| C．Go ahead! |
| D．Hold on! |
30. A person’s _____ body temperature is about 37℃．
31.
| A．ordinary | B．normal | C．common | D．Usual |
29. Great changes _____ in the city, and a lot of factories _____.
| A．have been taken place; have been set up | B．have taken place; have been set up |
| C．have taken place; have set up | D．were taken place; were set up |
28. He suggested the meeting ___ ; however, the manager's look suggested that he ___ agree.
| A．should put off; did not | B．be put off; should not |
| C．should be put off;,not | D．be put off; did not |
27.Albert Einstein, ____ life had once been very hard , was given the Nobel Prize for physics.
| A．of whom | B．for whom | C．for whose | D．in whom |
27. The ____kept by the doctor shows that the patient is gradually recovering.
28.
| A．treat | B．touch | C．process | D．Record |