_____ the catastrophe happened that the local government realized the importance of substantial development.
| A．It was until | B．Not until | C．Until | D．It was not until |
How did you manage to get to the school on time_________you missed the school bus?
| A．when | B．if |
| C．once | D．because |
Readers are required to________the rules of the library and mind their manners.
| A．review | B．confirm |
| C．observe | D．Manage |
Everything seems to be going______for the first two weeks after I moved to London.
| A．smoothly | B．vividly |
| C．frequently | D．generally |
- Do you have______ready for the opening ceremony. Ted?
- No. we still need some volunteers.
| A．everything | B．somethng |
| C．anything | D．nothing |
- You've got your flat funished. haven't you?
- Yes. I______some used furniture and it was a real bargain.
| A．will buy | B．bought |
| C．had bought | D．have bought |