问题补充:
children get older, they become more and more interested in everything.
A. Once
B. Whether
C. With
D. As
答案:
A. Once
B. Whether
C. With
(答案→)D. As
解析:考查连词:A. Once一旦,B. Whether不管,是否,C. With随着,这是介词,D. As连词“随着”,句意:随着孩子年龄的增长,他们对一切越来越感兴趣了。因为with是介词,不能接从句,选D。