一. 单项选择（共15小题，每小题1分，计15分）
从A、B、C、D四个选项中选出一个可以填入句中空白处的最佳答案。
1. ---Oh, my God! We have missed the last bus. What shall we do?
---I’m afraid we have no ______ but to take a taxi.
A. choice B. decision C. reason D. information
2. ---Is this the Greens’ house?
---No, ______ is over there.
A. His B. Their C. Their D. Them
