阅读对话，判断对(√)错(×)。
A: Hi, Anna.
B: Hi, Johnny.
A: Anna, this is my mother. Mum, this is Anna. She's my friend.
B: Good morning. I'm Anna.
C: Good morning, Anna. I'm Mrs Chen, Johnny's mother.
B: This is my sister Diana.
A: Hello, Diana. I'm Johnny.
D: Good morning, Johnny. Nice to meet you, Mrs Chen.
B: Oh, we must go now. Goodbye!
A: See you next time.
(
√
)1. Mrs Chen is Johnny's mother.
(
√
)2. Anna is Diana's sister.
(
×
)3. It is in the afternoon.
(
×
)4. "B" is Johnny.
(
√
)5. "D" is Diana.
