—Do you think the students need to have lunch at school?—____. It’s good for them to save time.
The light on the wall is broken. He wants to ____a new one.
you read, you understand.
He is_______ usual man but last week he did _______unusual thing——saving a boy out of water.
---I will travel to Beijing with my parents this weekend. --- _________________.
The model was ___________ of steel.