山东省工业用地最低价:帮帮我吧
来源:百度文库 编辑:中科新闻网 时间:2024/10/03 03:44:26
下列单词的过去式是什么
return
roll
trip
break
mean
ring
smell
think
return
roll
trip
break
mean
ring
smell
think
returned
rolled
tripped
broke
meant
rang
smelt
thought
returned
rolled
tripped
broke
meant
rang
smelt
thought
return-returned
roll-rolled
trip-tripped
break-broke
mean-meant
ring-rang
smell-smelt
think-thought
这东西都在于平时的积累啊。
学习进步~~~~