(补全单词)Sarah is b______ her younger sister for vacation．

(用适当形式填空)There are ______　(twenty) floors in the building and I live on the ______　(twelve) floor．

(用适当形式填空)Tonight we are watching an ______　(interest) match.

(用适当形式填空)The workers spent about two hours ______　(mend) the broken machine．

(用适当形式填空)Oh，dear! I forgot ______　(close) the window when I left the classroom．

(用适当形式填空)I plan ______　(improve) my English in the seven-day holiday．

Kate and his little brother are playing in the yard．(改为同义句)

　　Kate，______ her little brother，is playing in the yard．

Could you show me your new watch?(改为同义句)

　　Could you ______ your new watch ______ me?

When will your teacher get back from Nanjing?(改为同义句)

　　When is your teacher ______ from Nanjing?

We are going to start on September 30thndline．(对画线部分提问)

　　______ are ______ going to start?