根据要求完成下列句子，每空一词。
You'll be late for class unless you take a taxi.(改为同义句)
_______ you ______take a taxi，you'll be late for class.
He went to a doctor because he had a bad cold．(对画线部分提问)
_______ _______he_______to a doctor?
We can see some pictures on the wall.(改为否定句)
We______see______pictures on the wall.
The beautiful girl will marry a writer next month.(改为同义句)
The beautiful girl will_______ ______ ______a writer next month.
She was so weak that she couldn't keep running.(改为同义句)
She was______weak______keep running.