—How is life in the countryside?—Life is quiet and peaceful here. Nothing else can _______ a walk in the country road after sunset.
27. Great changes _______in our city in the past twenty years.
26. He said he would rather not ________it right now.
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.