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
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