根据所提供的语境和首字母提示，写出完整单词。（每小题1分，共15分）
A close friendship        (逐渐地)grew up between them.
Because of the computer, now we can c____________（交流） with other people on the Internet.
Susan came home so thin and weak that her own children hardly __________(辨认)her.
It’s ________ ( 正好,确切) twelve o’clock when I came back from work.
Her husband has gone abroad on business. She is quite ______(牵挂) about him.
The boy felt u________ because he didn’t do well in the exam.
The hotline helps many t________who are between thirteen to nineteen years old.
I stopped and smiled when I saw him, but he_______ me and walked on.
She has a very large v____________ and she can read English novels now.
His n___________ language is not Chinese but he can speak it fluently.
What the British call “petrol” the Americans call “g____________”.
A_________, I’ve known Barbara for years since we were babies.
I don't say "yes" - not that I d         with you.
Judging from his a_______, he must be from North East of China next to each other.
Jane and Mary are good friends; the former is a teacher, and the l_______ is a nurse.