问题
选择题
Though most people know that smoking ________ the risk of cancer, it is still hard for them to give it up.[ ]
A. multiplies
B. adds
C. combines
D. gains
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Though most people know that smoking ________ the risk of cancer, it is still hard for them to give it up.[ ]
A. multiplies
B. adds
C. combines
D. gains
答案：A