根据上下文内容在每个空格内填入一个适当的单词。
A: Hello, Li Ming.
B:Hello, Li Lei.____⑴____ are they?
A: Oh, sorry. This is Lucy. This is Lily. They are twins. Lucy, this is my friend, Li Ming.
C: Hi, Li Ming. ___⑵____to___⑶___ you.
B:Nice to meet you, ____⑷___ What class are you___⑸____?
D: We’re in Class 2, Grade 1.
B:Oh, very good. We are in the same___⑹___.
D: By___⑺____ ___⑻___，___⑼___ you Japanese?
B: ___⑽___,I’m Chinese.