5.Patients with the condition are_____a higher risk of a number of complications.
A. in
B. on
C. at
D. With
出自:大学英语1

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块