_________, the forest fire would have been discovered much earlier.
| A．But for their care | B．If they were careful |
| C．Without their care | D．Had they been more careful |
Martin’s gone to ______ the children from school.
| A．collect | B．get |
| C．cover | D．care |
______ the ______ of buying a house, it costs little to rent a house.
| A．Compared to; fee | B．Comparing with; charge |
| C．Comparing to; fare | D．Compared with; expense |
The volunteers try to convince people _____ the fact that some species are in danger of _____.
| A．for; dying away | B．about; dying down |
| C．of; dying out | D．on; dying off |
Across the river _____.
| A．lie a new built bridge | B．lies a newly built bridge |
| C．a new built bridge lie | D．a newly built bridge lies |
_____ all the demands had been refused _____ to go on strike.
| A．Only; did the workers decide | B．Not until; the workers decided |
| C．Not until; did the workers decide | D．Only after; the workers decided |