由于合同条文繁杂，内涵意义深刻，法律语言不易理解等原因，必须进行( )。
A．合同分析
B．合同签证
C．合同公证
D．合同管理
参考答案：A
Change the forms of the following sentences. 句型转换。
1. We will go to the park.（对划线部分提问）
2. I think it's going to fly.（变为否定句）
3. I look like my mother.（变为一般疑问句）
4. Li Ming is twelve. I'm eleven.（变为一句话）
5. Do you like spring flowers ?（做肯定回答）
—Was it not until last week（）he decided to give up smoking —No. He began（）he saw the news film last month.
A. when as soon
B. that immediately
C. did that
D. that till
