14. Mark your answer on your answer sheet.

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統計： A(33), B(1), C(0), D(0), E(0) #3822784

詳解 (共 1 筆)

#7332835
#14 How often should the irrigation system be checked? 
A. once a week typically. 
B. It helps crops grow faster. 
C. The water pressure is low.
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