2022黑龙江统招专升本美式英语每日一题260

20. David sent his girlfriend a ring ________ by his grandmother for all her life.

A. have kept B. kept

C. has kept D. has been kept

20.【答案】B。二阶：考察非及物词干词干。句意：大卫把他祖母留有了一生的戒常指送给了他女朋友。句中所已经有一个及物词干词干sent，可知此处应填非及物词干词干形式，又因为词干 keep(留有)和 ring(戒 常指)存在动宾关系，分词表示主动，因此应用kept。