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.
afternoon 含有元音字母的个数是 __________.
A. 2 B. 3 C.4
下列字母中一笔写成的是 ______.
A. p B. t C. m
下列大小写字母不对应的一组是 _______.
A. F—f B. M—w C. E—e
