4. The rate of population growth reached a peak in 1999 and declined in years.
A. consequent
B. frequent
C. infrequent
D. subsequent
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5. I’m feeling a little depressed at the moment, but I’m sure good times are .
A. in the corner
B. at the corner
C. around the corner
D. on the corner
6. Thousands of soldiers are working to food and blankets to the refugees.
A. contribute
B. distribute
C. attribute
D. distract
7. As we were __________ giving up hope, a letter arrived.
A. on the point of
B. forthe point of
C. to the point of
D. in the point of
8. Already there are many fuel vehicles on the market, powered by anything from solar power to natural gas.
A. alterable
B. alternate
C. alterative
D. alternative