27 This chemical is commonly used to make explosives to _____ rocks in mining industries.
(A) blast
(B) clasp
(C) erupt
(D) perch
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統計: A(515), B(370), C(386), D(135), E(0) #2782338
統計: A(515), B(370), C(386), D(135), E(0) #2782338