he put as much feeling into his voice as he could.为什么用put不用puts

问题描述:

he put as much feeling into his voice as he could.为什么用put不用puts

这个要看上下文的.
put 是过去式,表示这是过去发生的事情.
puts 是一般式,表示他现在是这样.
另外需要注意的是,后面跟的是could,这是个过去式,提示这句应用过去时态.当然,如果上下文显示应用一般现在时,那就应该用puts,但要记得把could 改成 can.
希望对你有用 :)