问题标题：
thestudentwere____overthe____problem,listeningtotheteacherwitha_____expressionontheirface第一个空是用puzzling还是puzzled
更新时间：2023-06-06 11:00:23
问题描述：
thestudentwere____overthe____problem,listeningtotheteacherwith
a_____expressionontheirface
第一个空是用puzzling还是puzzled
陈小红回答：
The students were puzzled over the puzzling problem, listening to the teacher with a puzzled expression on thei...
