听音，选图，圈出相应的字母编号。
What′s your name? ________________
A . My name is Tom B. I can help you
Did Sam help Mum? ________________
A . No , he didn′t B. I can see you
Who is that little boy? ________________
A . It′s Tom B. Ha ha ha ha
Nice to meet you. ________________
A . Nice to meet you, too. B. You are wrong