Ⅳ.句型转换
【小题1】The building is over 2,000 years old.（改为同义句）
The building is ________ ________ 2,000 years old.
【小题2】Let’s take part in the discussion.（改为同义句）
Let’s ________ ________ the discussion.
【小题3】I have already finished the work.（变为否定句）
I ________ finished the work ________.
【小题4】Tom will go to the park tomorrow.（用yesterday改写句子）
Tom ________ to the park ________.
【小题5】The dog died four days ago.（用for four days改写句子）
The dog ________ ________ ________ for four days.