Many countries are increasing their use of natural gas, wind and other forms of .
| A．energy | B．source | C．power | D．material |
With a lot of problems __, the VS troops are having a hard time in Iraq.
| A．settled | B．being settled | C．settling | D．to settle |
It’s quite normal to___ ten percent of the cost of a building for a period of six months or so, in case faults are found in it.
| A．keep up | B． keep away | C．keep off | D．keep back |
16. ---The farmer president was caught at last.
---Really? Where _ himself?
| A．had hidden | B．has he hidden | C．was he hidden | D．has he been hiding |
---Bob’s___ the branches from the tree. Go and _____ for firewood. Bill!
---Do you think I’m really for his kind of work?
| A．cut away; cut it up; cut through | B．cut off; cut it down; cut out |
| C．cut away; cut it up; cut out | D．cut off; cut it down; cut out |
Turn off the tap please. The water _ .
| A．was wasted | B．wastes | C．is wasting | D．is wasted |