问题补充:
单选题Bythetimethetornadoended,morethan2,000people_____.A.has injuredB.has been injuredC.had injuredD.had been injured
答案:
D解析考察时态语态。By是完成时的标志,by后面跟什么时态,主句就用什么完成时,根据ended可知,主句用过去完成时,injure的用法是sb be injured,因此选择D
时间:2018-08-18 01:03:11
单选题Bythetimethetornadoended,morethan2,000people_____.A.has injuredB.has been injuredC.had injuredD.had been injured
D解析考察时态语态。By是完成时的标志,by后面跟什么时态,主句就用什么完成时,根据ended可知,主句用过去完成时,injure的用法是sb be injured,因此选择D