Dogs are very to people. They're people's good .
A：friends,friendly
B：friendly, friends
C：friends, friend
D：friendly, friendly
STUDY ENGLISH IN AMERICA
Country
Tina comes from ____.
Weekend Activity
Tina visits____ on Sundays.
Location
Tina's host family is in a ____ area.
TV Program
Tina always watches____ in the evening.
Study Time
Stay for ____ and study English as Tina does!
若α为锐角，且cosα=45，则tanα为（ ）
