24． exercise early in the morning has become part of his retired life. A．Take B．Takes C．Taking D．Taken [解析] 考查非谓语动词.在该句中主语的表达明显不全.对比四个答案能作主语的只有动名词.所以正确的答案是C. [答案] C 【查看更多】
题目列表(包括答案和解析)
.____exercise early in the morning has become part of his retired life .
