根据单词首字母和句子意思，将对话中的单词补充完整。
A: Welcome b________ to school, Ben.
B: Nice to m________ you, Mr Green.
A: There is a n__________ subject this t_______, do you know?
B: Yes. It’s S________ S________.
A: Do you l________ it?
B: Yes, it’s an i_________ s_________.
A: What time do you h________ this lesson? On M________?
B: No. It’s on F________.