【判断题】
He had his leg break when he slipped on a piece of ice.
【单选题】
When Sarah and I ____ on an article for the school newspaper, we found it difficult to work together.
【单选题】
When Mr. Jones gets old, he will ____ his business to his son.
【单选题】
3. He had to ______ his past actions when he retired, or he would be punished.
【单选题】
We were all surprised when he made it clear that he _____________office soon.
【单选题】
The boy lost his ____when he stepped on the icy road.
【单选题】
13. He _____ a doctor when his mother was ill.
【判断题】
When I saw him, he was cleaninging his room.
【单选题】
20. Only when he had handed in his exam paper ____ he had made several mistakes.
【单选题】
Little ___ that we were watching his every move, so he seemed to be going his own way in this business.