小题1:The old man is so angry. He can’t say a word.（连成一句）
The old man is ______ ______ ______say a word.
小题2:I bought the bike ten years ago. (同义句)
I ______ ______the bike ______ ten years ago.
小题3:The key is used for locking the front door.（就划线部分提问）
______ _______ the key ______for?
小题4: You should hang the curtains across the stage.（改为被动语态）
The curtains _______ ______ ______across the stage.
小题5: Our school has changed greatly in the past several years.（同义句）
There ______ ______ great changes in the past several years.
