_For six or seven months in the year,no work can be done, _______the rainy season makes it impossible.
| A．while | B．until | C．before | D．when |
46 Our manager allowed _______to take a holiday next week.
| A．you and I | B．yourself and me | C．I and you | D．you and me |
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 |