问题
选择题
Everyone should do something _____ wild animals. [ ]
A. to protect
B. protecting
C. protect
D. to protecting
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Everyone should do something _____ wild animals. [ ]
A. to protect
B. protecting
C. protect
D. to protecting
答案：A