为下面的句子选择正确的汉语翻译。(22分)
(  )（1）Good morning.
(  )（2）Hi!
(  )（3）We have a new friend today.
(  )（4）I'm from America.
(  )（5）Welcome!
(  )（6）Where are you from?
(  )（7）Nice to meet you.
(  )（8）This is my friend，Amy.
(  )（9）Come in.
(  )（10）I'm sorry.
(  )（11）It's OK.