选择正确的答语。

()1. Good morning，Liu Tao.

()2. Goodbye, Miss Li.

()3. Good afternoon, Wang Bing.

()4. Hello, Mike.

()5. Hello, I'm Li Lei.

a．Hi, I'm Mike.

b. Good afternoon, Jiang Ling.

c. Good morning, Helen.

d. Goodbye, class.

e. No, I'm Sam.

f. Hello, I'm Bobby.

g. Hello, Sam.