Question

They ________ often _______to be careful before _______the road.

A．are, told, cross

B．are, told, across

C．are, telling, crossing

D．are, told; crossing

Answer 1

D

D“他們經常被告訴過馬路時要小心。”，根據句意得知，考查的是被動語態。before在此為介詞，后加doing，故選D。