下列各组对话中，语言表达得体的一项是( )

____ do you spell your name—T-I-N-A, Tina.

Ladies and gentlemen , I have thegreat privilege introducing our speaker fortonight .

下列句子中，标点符号的使用不正确的一项是(　　)

________ is no doubt _________ Jennifer will come to see me this weekend as usual [ ]