You were silly __________ your car, otherwise it wouldn’t have been stolen.
| A．not locking | B．to not lock | C．not having locked | D．not to lock |
30. It is a good city for cycling because it is flat and ________is convenient for bikes.
| A．however | B．what’s more | C．therefore | D．Besides |
29. That prices are going up so rapidly these day,_______really makes many people worried
| A．it | B．that | C．which | D．they |
28. This is the best restaurant in our town. I’m afraid you can’t find _______ here.
| A．a better one | B．the better one | C．the best one | D．any best one |
27. Our headmaster felt fairly happy today because ten students were praised at the meeting, _____three were from our school.
| A．for them | B．of whom | C．of them | D．of that |
26. ______more and more forests destroyed, some animals are facing the danger of dying out.
| A．With | B．By | C．As | D．For |