—What do you think we can do for our aged parents？
—You do anything except that you visit them as often as possible.
| A．don’t have to | B．oughtn’t to | C．mustn’t | D．shouldn’t |
47. Although he 's wealthy，he spends_____________ on clothes.
| A．little | B．few | C．a little | D．a few |
48. They were all tired, but _____ of them would stop to take a rest.
| A．any | B．some | C．none | D．neither |
49. I don’t know whether small oranges are sweeter than big ______.
| A．those | B．ones | C．one | D．that |
50. When they met, they stopped and said hello to_______.
| A．each other | B．each another | C．the other each | D．each one |
51. After everyone took_______ place, the meeting began.
| A．his | B．their | C．there | D．the |