句型练习。（10分）
1. His mother is 37 years old. His father is 37, too. (合并为一句)
His mother is his father.
2. This book is not popular. I like it. (合并为一句)
this book isn’t popular, I like it.
3. I have known the man for five years.（对划线部分提问）
have you known the man?
4. He has to go there by bus. （完成反意疑问句）
He has to go there by bus, ?
5. She rides a bike to school. (改为同义句)
She goes to school .
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解析：
1. 本题所表示的含义为他的妈妈和他的爸爸一样大，as old as表示一样大的含义，故本题空格处填as old as。
2. 本题所表示的含义为虽然书不受欢迎，但是我喜欢，在让步状语前可用连词though，故本题空格处填Though。
3. 对时间长度提问的用疑问短语多长How long。
4. 反义疑问句，前句是肯定的结构后句用否定的结构，本题用doesn’t，然后跟人称代词he，故本题空格处填doesn’t he。
5. 表示骑自行车到某地可用go……by bike，故本题空格处填by bike。