After ( ) his explanation many times,Mike felt very tired ,括号内应该填repeat的哪种形态
问题描述：
After ( ) his explanation many times,Mike felt very tired ,括号内应该填repeat的哪种形态
答
这里用分词形式不如用完成时的分词形式合适，用having repeated，表示解释了很多次之后，更能体现出tired的原因。
答
repaeting
因为是Mike主动在重复他的解释，然后他累啦~
答
现在分词形式
After ( repeating) his explanation many times,Mike felt very tired
答
repeating