问题
选择题
When you go outing with your sisters, you must see to ____ that they are safe.[ ]
A. everything
B. it
C. them
D. yourself
答案
答案：B
搜题请搜索小程序“爱下问搜题”
When you go outing with your sisters, you must see to ____ that they are safe.[ ]
A. everything
B. it
C. them
D. yourself
答案：B