The solution __________ this problem is acceptable. So I am __________ it.
| A．to; for |
| B．of; against |
| C．to; on |
| D．on; for |
25. These photos reminded him of the places ________he visited last year.
| A．which | B．that | C．不填 | D．all above |
24. Is this park ________has been built to keep the milu dear?
A. which C. the one C. that D. the one that
23. Environmental experts are those who devote ______to______ nature and environment.
| A．them…protecting | B．their…protect |
| C．themselves…to protect | D．themselves…protecting |
22. __________unexpected advice they have given us!
| A．What | B．what an | C．How | D．How an |
21. T
o many teenagers the cellphone is not only _____useful tool but also ____ way to have fun and be cool.
| A．the…the | B．an…the | C．a…a | D．a… 不填 |