49. The passage is mainly about___________ .
(A) the effect Facebook has on teenagers
(B) Facebook’s new app designed for children
(C) what parents can do to protect kids from Facebook
(D) parents who want children under the age of 13 to use Facebook
詳解 (共 2 筆)
未解鎖
Facebook started a n...
未解鎖
Facebook started a n...