17. A string of earthquakes shook the town, sending villagers tripping and falling as they ran from their homes and_____the evacuation of some 2,000 people.
(A) to force
(B) forced
(C) have forced
(D)forcing
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統計: A(1), B(51), C(4), D(88), E(0) #923645
統計: A(1), B(51), C(4), D(88), E(0) #923645