根据句意提示写出单词，完成句子。
____ The street near my house is quite _________ (寂静的) at night.
____ Do you think English ________ (语法) very difficult?
____ Kitty will go _______ (在国外) as an exchange student.
____ Last summer holiday, my teacher _________ (介绍) Joy to me, and now we are close friends.
____ They are happy to get some help from some local _____________ (企业). 
____ My hat is ______ (hang) behind the door. Can’t you see?
____ There were twenty people in the room, _________ (include) the teacher.
____ It was a delightful holiday and a ___________ (mean) experience.
____ ——Who is the _______ (produce) of the new computer?—— My father’s company made it.
____ If you connect the printer to the computer ________ (incorrect), it will refuse (拒绝) to work.