阿摩線上測驗
26. The instruments are responsible for constantly ______ the current wind speeds.
(A) to measure
(B) measures
(C) measuring
(D) measured
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統計： A(99), B(61), C(256), D(56), E(0) #3887979
統計： A(99), B(61), C(256), D(56), E(0) #3887979
