13. There are many trees on ______ sides of the road.
A. every
B. each
C. both
D. all
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12. We couldn’t help ______ when we heard the funny story.
A. laugh
B. to laugh
C. laughed
D. laughing
11. How much did you _______ on this new car?
A. cost
B. pay
C. spend
D. take
10. We decide not to climb the mountains because it was raining ______ .
A. badly
B. hardly
C. strongly
D. heavily
9. There were all tired,but ______ of them would stop to take a rest.
A. any
B. some
C. none
D. neither