3.

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統計： A(12), B(275), C(12), D(5), E(0) #3808200

詳解 (共 2 筆)

#7283840
A.They are taking of...
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#7494009
A: They are taking off their protective gear.
B: Liquid is being poured into a container.
C: The laboratory equipment is being cleaned. 
D:They are looking out the window.
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