21.There was a knock at the door. It was the second time someone ____________(打扰我) that evening.
　　
　　22._____________________(正是由于她太没有经验) that she does not know how to deal with the situation.
　　
　　23.When I __________________(发现他骗我) I stopped buying thins there and started dealing with another shop.
　　
　　24. The manager would rather his daughter__________________(不在一个办公室内工作).
　　
　　25. The sports meet originally due to be held last Friday_______________(最终因天气不好而取消了).
　　
　　

　　答案

　　21. had interrupted me
　　
　　22. it is because she is too inexperienced
　　
　　23. caught him cheating me
　　
　　24. did not work in the same office
　　
　　25. was finally called off/cancelled because of the bad weather