1. Tom overslept this morning. So he was late for work. (改为why引导的表语从句)
Tom overslept this morning. That is ________________________________.
2. I prefer to work rather than sit there doing nothing. (改为同义句)
I would ________________________________ doing nothing.
3. He was smiling and at that time the door opened and his wife came in. (改为同义句)
