Five million, five hundred and fifteen thousand, one hundred and fifty-one is_____
| A．5,515,151 | B．5,15`,151 | C．5,151,515 | D．5,551,155 |
当你介绍朋友给别人认识，应该说________.
A. I'm Mike.
B. This is Li Lei.
C. He's Li Ming.
— Are you Kate? — _____. I'm Lucy.
A. Yes, I am B. No, I'm C. No, I'm not
熟人见面时表示礼貌的常用语是_______.
A. Nice to meet you.
B. Nice to see you.
C. How do you do?
下列字母书写格式正确的是 ____.
A. 
B.
C. 
—Welcome to Beijing!
—____
A. Nice to meet you.
B. Thank you.
C. Fine, thank you.