看图，写单词。(12分)
A road is almost several __________ long. A. meters B. feet C. kilometers
A boy is 150 _________ tall. A. m B. cm C. ft
A bus is 8 __________. A. m B. mm C. ft
A whale is 35 __________. A. kg B. g C. tn
Your ruler is 10 _______. A. mm B. cm C. m
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