-Why are you so late getting home?-Our teacher didn’t let us go____ we had finished our homework.
The girl is Betty. I'm ______ friend._______ in my class.
His sister________ music.
—Are these ______? —No,______.
—Hello, Li Lei.Nice to meet you. —Hello, Wei Hua.________
His given name is David. His family name is Johnson. His full name (全名) is________.