Choose the sentences. （将相应句子的序号写在题前括号中）
 
（1）A: What time is it?     
B:                
（2）Son: Can I go out to play, mum? 
Mum:                         
（3）A:                           
B:Thank you.
（4）A: Can I help you?  
B:                      
（5）A: What’s your telephone number?   
B:                       
（6）A:                              
B:I like playing football.