They had great difficulty ____ the people ____ in the fire.
A.in rescue, trapping | B.to rescue, trapped |
C.in rescuing, who trapping | D.rescuing, trapped |
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They had great difficulty ____ the people ____ in the fire.
A.in rescue, trapping | B.to rescue, trapped |
C.in rescuing, who trapping | D.rescuing, trapped |
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