句型转换。  

1. They do their homework every day. (用now改写句子)    

    They                   their homework now.  

2. Tom is looking at a picture. (改为一般疑问句并作出肯定回答)    

    －         Tom          at a picture?    

    －        ,                   .  

3. We read English in the morning every day. (改为一般疑问句并作否定回答)    

    －____ you ____ English in the morning every day?    

    －        ,                  .  

4. The girls are playing in the garden. (对划线部分提问)     

                      the girls         ?  

5. Karen is waiting for her mother at the school gate. (对划线部分提问)      

                       Karen          for at the school gate?

一般来说，高校等机构类客户的固定资产投资规模大，财务制度较健全，因此这类客户的信用风险比较小。（）