456. I accidentally _____ my knee on the basketball court and the ointment I applied helped soothe t
457.Anyone seeing the misery of those war victims on TV can hardly stay _____.(A) sympathetic(B) apa
459.Dry hair and skin is one of the symptoms of a vitamin C _______.(A) shorten(B) shortage(C) short
460.General Rommel was a _______ in wars and military science.(A) specialist(B) specialize(C) specia
461.Harry Potter series are one of the best-selling _______ around the world.(A) colonies(B) fiction
462.With the iPhone, Apple is having a _______ impact on the way people use cell phones.(A) time-con
172. In ancient times, people used large shells to ______ voices in open-air ceremonies so that thei
463.A gas station may _______ the soil and groundwater in the neighborhood.(A) reuse(B) pollute(C) b
464.There are almost 3,000 _______ working in the sky.(A) materials(B) laboratories(C) satellites(D)
465. Debbie is a nurse, so she is looking for a job in the medical _______.(A) field(B) closure(C) e
173.The audience held their breath and sat motionless in the theater as they watched the tragic hist
174.According to government regulations, if employees are unable to work because of a serious illnes
466.Thanks to the new railroad system, we are able to travel easily to _______ towns.(A) colonial(B)
467.If your new digital camera cannot _______ properly, take it back to the store and ask for a refu
468.It can be expensive and _______ to file a lawsuit.(A) time-consuming(B) significant(C) fictional
176.The sailor on leave ______ toward his wife and daughter when he saw them at the dock.(A) measure
502.According to medical research, depression is one of the __________ problems modern people suffer