From the passage, we learn that almost every animal is able to protect itself from destructive forces by ______.
A. climbing up a tree
B. calling for help
C. moving away
D. remaining with its group
The lowest temperature for the date of the forecast was ______.
A. in the upper 60s
B. 65 degrees
C. 51 degrees
D. in the mid to upper 70s
What will the man most probably do this weekend？
A. Do his homework.
B. Travel with the woman.
C. Hand in his homework.
【B19】
A. in
B. out
C. up
D. over
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