Question

—When are the traffic police strong?    _---When they ___ up cars with one hand.

A．put

B．hold

C．pick

D．lift

Answer 1

B

动词辨析。Put放；hold持有，保存； pick 捡起；lift举起，提升。句意：什么时候交通警察最强大？——当他们用一只手拦下汽车时。Hold up举起，阻挡，故选B。