The police have warned the public that the killer could （ ）again.
A、stride
B、strike
C、strive
D、stray
【正确答案】：B
【题目解析】：stride v. 大步走；strike v. 攻击，突击 Police fear that the killer may strike again. 警察担心杀人犯会再次下手。strive v. 奋斗, 斗争 （for/against）strive for better life/ strive against corruptionstray v. 迷路，偏离 Some of the cattle have strayed. 有些牛走失了。句意：警察提醒公众，这个杀人犯可能会再次作案。
