23．- Why weren't you at the meeting?
- I ________ for a long distance call from my sister in America.
| A．was waited | B．was waiting | C．has waited | D．have been waiting |
难度: 简单查看答案及解析
30.-Jane is always lying.
- So it's no wonder that she has no one to ________.
| A．rely on | B．pick up | C．hold on | D．find out |
难度: 简单查看答案及解析