阿摩線上測驗
18. The giant wildfire that raged recently through the Canadian province of Alberta, _____ more than 80,000 people to flee their homes, was caused in part by global warming producing drier conditions.
(A) forced
(B) forcing
(C) forces
(D) enforce
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統計： A(15), B(57), C(5), D(0), E(0) #3456244
統計： A(15), B(57), C(5), D(0), E(0) #3456244
