问题
选择题
This article says _______ is bad for our lungs.[ ]
A. smoke
B. to smoke
C. smoked
D. smoking
答案
答案：D
搜题请搜索小程序“爱下问搜题”
This article says _______ is bad for our lungs.[ ]
A. smoke
B. to smoke
C. smoked
D. smoking
答案：D
