You can save money _______ you buy cheaper things.
| A．before | B．unless |
| C．if | D．until |
Han Han is a popular writer. His new book will _________ this September.
| A．come up | B．come in |
| C．come out | D．come on |
---I’m going to take part in the piano competition next week. --- ____________
| A．Congratulations！ | B．Good luck！ |
| C．Not at all！ | D．With pleasure. |
---Susan, why are you still here? They are all ready to start.
---I’m sorry, but I _________ when to start.
| A．wasn’t told | B．don’t tell |
| C．didn’t tell | D．haven’t told |
The black bag _________ be Anna’s. She has a blue one.
| A．should | B．can’t |
| C．wouldn’t | D．could |