28. As a courtesy to the long patronage of villagers, the filling station was __________ free gas for three days.
(A) given away
(B) given up
(C) giving away
(D) giving up。
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統計: A(47), B(18), C(86), D(7), E(0) #2236399
統計: A(47), B(18), C(86), D(7), E(0) #2236399