26. The top leaders of the two countries are holding talks in a friendly ______.
A. atmosphere
B. state
C. situation
D. phenomenon
27. I bought a dress for only 10 dollars in a sale; it was a real ______.
A. exchange
B. bargain
C. trade
D. business
28. Most air pollution is caused by the burning of ______ like coal, gas, and oil.
A. fuels
B. articles
C. goods
D. products
29. The rising _____ did a lot of _____ to the crops.
A. water; harm
B. water; harms
C. waters; harm
D. waters; harms
30. The beach is a _____ throw from our house.
A. stone
B. stones
C. stones’
D. stone’s
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