小丽将要随父母去英国学习。好朋友梅梅在小丽临行前用英语给她写了下面的一段话，表达惜别之情，但是有几个单词没有写上，请帮助梅梅完成它。每空一词。（5分）

Dear Xiao Li,

I’m sorry to hear that your family will     小题1:      to England. I will  小题2:  forget the days we have spent together. In the past few years, you have given me much     小题3:     with my study. I really appreciate it. It’s time to say goodbye to you. I just want to give you my best小题4:   . See you     小题5:      England one dayl

Love,

Meimei

下列哪项不是溃疡性口炎的病原

A．链球菌

B．金黄色葡萄球菌

C．肺炎链球菌

D．绿脓杆菌

E．柯萨奇病毒