问题
选择题
Sydney promised her that he would always do anything he could for her to ________ of her happiness.[ ]
A．making sure
B．be sure
C．being sure
D．make sure
答案
答案：D
搜题请搜索小程序“爱下问搜题”
Sydney promised her that he would always do anything he could for her to ________ of her happiness.[ ]
A．making sure
B．be sure
C．being sure
D．make sure
答案：D