用所給詞的適當形式填空

     （1）It is usuall_____(crowd)at weekends.
       (2) We use dictionaries_____(look)up the words.
  2. 句型轉換.
      （1）They're  talking about the weather.(對畫線部分提問）劃線部分是the weather
               _____  _____they talking about?
        (2)Whose knife is this?(同義句）
             ______is this______?
        (3)There are over sixty students in our class .(同義句）
             There are _____  _____sixty students in our class.
        (4)My holiday was wonderful.(對劃線部分提問）劃線部分是wonderful
            _____  ______your holiday?
        (5)Mary studies very hard.(改為感嘆句）
            ______  ______Mary studies!