句型转换
Our playground is about 50 metres wide．（对划线部分提问）。
_______ _______ is your playground?
You’d better draw this picture with this pen.  (改为否定句)
You’d better______ ______ this picture with this pen.
Elsa spends $30 buying books each month.（同义句转换）
The ______ of Elsa's books ________ $30 each month.
We mustn't spend too much time on TV.（改为祈使句）
               too much time on TV.
Don't be late for school next time , _______ _______ ?（完成反意问句）