他们一定是在海边拾贝壳 they must be ()()shells by the sea
问题描述：
他们一定是在海边拾贝壳 they must be ()()shells by the sea
答
they must be ( picking )( up )shells by the sea.
不明白的再问哟,请及时采纳,多谢!亨利先生总是跑步锻炼身体 翻译 Mr. Henry always () ()