What was the hero doing when his boss came in?
举一反三
- He _____ his homework when his mother came back yesterday evening. A: was doing B: is doing C: did D: does
- What is the teacher's routine when he doing his class?
- -What were you doing when Tom came to see you?-I _____on my overcoat and ______ to visit a friend of mine.
- When<br/>he was doing the software development project, he ______ many<br/>problems that he had to solve on his own. A: came up with B: came through C: came across D: came out
- 4. Kenny was doing his homework when his father ______ home from work. A: comes B: came C: has come home D: is coming home