【急+好的追】初三英语首字母求助!

【急+好的追】初三英语首字母求助!
A bark (狗吠) is a sound a dog makes to communicate something to people or other animals. A bark can be a f 97 way to say “hi.” Sometimes dogs bark to tell their o 98 that they see people they do not know. Sometimes dogs bark to make other dogs r 99 away.
Dogs also communicate by moving their b 100 . Dogs show their t 101 when they are angry. They wag(摇摆) their tails (尾巴) when they are h 102 . They wag their tails when their owners give them f 103 . Dogs also wag their tails when their owners take them for walks.lt is a p 104 for some old people to have a dog as a pet when their children have grown up.