问题
选择题
Dr Brown has the habit of _____ the room when he is thinking about something troublesome.
A．pacing
B．stepping
C．walking
D．marching
答案
答案：A
pace the room是个固定搭配。在屋子里来回镀步
搜题请搜索小程序“爱下问搜题”
Dr Brown has the habit of _____ the room when he is thinking about something troublesome.
A．pacing
B．stepping
C．walking
D．marching
答案：A
pace the room是个固定搭配。在屋子里来回镀步