He wants to ( )Rian who is form Korea.----- A.wave B.wave at C.wave form
问题描述：
He wants to ( )Rian who is form Korea.----- A.wave B.wave at C.wave form
答
B
wave at 向。。。挥手致意
整句意思：他想向来自韩国或朝鲜的Rian挥手致意。
答
B