原题P477、4:/ t" b4 d K+ z3 d7 l) I, M0 Y6 e
During the labor dispute, barrels of potatoes were emptied across the highway, and they thereby blocked it to all traffic.+ ]! F# l, R2 A4 B' S2 g
(A) highway, and they thereby blocked it to all traffic . {& q5 f5 v7 @& J(B) highway and therefore blocking it to all traffic . k& {5 T& H. P- c) I/ n(C) highway, by which all traffic was therefore blocked 5 h( m9 c( \! R$ ~" b. ]1 U7 g(D) highway, and therefore this had all traffic blocked 3 {9 m, v9 ?) g(E) highway, thereby blocking all traffic z4 z- K7 J+ U! \
E中blocking不是会指代不清吗?