be lost in thought
举一反三
- he is always lost thought
- I thought I lost you.（ ）
- _____ in thought, he almost ran into the car in front of him. A: Lost B: As he was lost C: He lost D: A and B
- The child ( ) we thought was lost was found in the text block.
- _____in thought, he almost ran into the car in front of him.(1.2) A: Losing B: Having lost C: Lost D: To lose