九、根据图片,选择相应的对话。
(
C
)1.

A. —Is he John? —No. This is me! My name is Sam.
(
B
)2.

B. —Hi, I'm Su Hai. —Hello, Su Hai.
(
D
)3.

C. —Good morning, class. —Good morning, Mr Green.
(
A
)4.

D. —What's your name? —My name is Yang Ling. —Nice to meet you. —Nice to meet you too.