根据上下文填入一个合适的词，使对话完整.
A: Hello, Jim.
B: Hello, Li Lei. Who are __1__?
A: Sorry. __2__ is Li Qiao, and __3__ is Wu Hao. Li Qiao and _4_ , this is my American _5__ Jim.
C: How do you do, Jim?
D: How do you do, Jim?
B: How do you do? __6__ to meet you. Li Qiao and Wu Hao. Are you in _7__ Two, Grade Seven?
C and D: You are __8__. We’re in the same class __9__ Li Lei.
B: Oh, good. Let’s be friends __10__.
