未知题型 In a sudden _____________ of anger, the man tore up everything within reach. A) attack B) burst C) split D) blast

未知题型 Although many people view conflict as bad, conflict is sometimes useful ___________ it forces people to test the relative merits of their attitudes and behaviors. A) by which B) to which C) in that D) so that

未知题型 .______________________ （只有集中精力于工作) could he forget his own troubles.