---Look, the light is on. Ms Green must be in her office. ---No, it can’t be Ms Green. I saw her ______ her office just now.A. left B.leaves C. leave
The program is made up of four musical parts.
How long is the sofa?
What did you do with those books given by the volunteers?
Sometimes I feel bored and don’t know ______ to do.
Helen has no friends _______.