______ the fantastic sight, I stayed at the top, _______.
25. These photos reminded him of the places ________he visited last year.
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.
22. __________unexpected advice they have given us!
21. To many teenagers the cellphone is not only _____useful tool but also ____ way to have fun and be cool.