We all do more speaking _______，even when we have a break after class.
| A．now and then | B．by and by |
| C．step by step | D．more or less |
I expect them _______ and I wish all the rooms _____________.
| A．to come; to clean | B．come; to clean |
| C．to come; to be cleaned | D．come; to be cleaned |
The salesman scolded the girl caught ________ and let her off.
| A．to have stolen | B．to be stealing | C．to steal | D．stealing |
Please don’t forget him. He is one of _______.
| A．those invited | B．invited those | C．those inviting | D．inviting those |
It’s a bad habit to leave the work ______.
| A．undo | B．undone | C．undoing | D．done |
Do you know the name of the play___ in the hall now?
| A．to be put on | B．being put on | C．put on | D．putting on |