根据对话内容,填入适当的单词Mrs Green:Hello!Who's that?Mr Green:Hello,Lina

Mrs Green:Hello!Who's that?
Mr Green:Hello,Lina.
Mrs Green:Oh,.Bill._how___are you?
Mr Green:Fine.what about you and our_kids___?
Mrs Green:We are fine too.
Mr Green:__what__ are you doing now?
Mrs Green:I'm _watching___ TV
Mr Green:What's our__little__ Bob doing now?
Mrs Green:He's _writing___ an email to his pen pal .You __and__ tjey often write to each other.
Mr Green:_and___ Kate?Is she out?
Mrs Green:No.She is in her __room__.When will you __come__ back
Mr Green:Maybe sometime next week.
Mrs Green:Ok.Take care!Bye!
Mr Green:Bye!

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How
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How
children
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How children What watching son writing where room come