try one's best同义词
问题描述:
try one's best同义词
He tried his best to help us.
He ( ) ( )he could to help us
可以讲下原因么,
答
did ,what
try one's best同义词
He tried his best to help us.
He ( ) ( )he could to help us
可以讲下原因么,
did ,what