_____, and the problem will be worked out.
| A．If you have a bit more effort | B．Having a little effort |
| C．A bit more effort | D．There being a little effort |
.
_____ price decline ______ farmers' income, the central government has decided to buy more crops to protect farmers.
| A．Preventing; to affect | B．To prevent; affecting |
C．Having prevented; affecting | D．To prevent; being affected |
.
What a pity! He got nothing in ______ for his hard work.
| A．award | B．prize | C．reward | D．result |
.
______ your timely warning, we would have been unaware of the danger.
| A．In spite of | B．But for | C．Instead of | D．As for |
.
The question then ______ that the supply of drinking water in the mountainous area is serious.
| A．rises | B．arises | C．raises | D．assesses |
.
We could hardly believe what she says because she is ______ changing his mind.
| A．regularly | B．steadily | C．suddenly | D．constantly |