A.Peter has a big yellow robot. | B.Peter is a big yellow robot. | C.Peter has a big red robot. |
A.OK, Miss Li. | B.I’m sorry, Miss Li. | C.All right. |
A.Good morning, Miss Zhang. | B.I’m sorry, Miss Zhang. |
A.not | B.please |
A.Good morning! |
B.Good evening! |
C.Good afternoon! |
A.Come in, please. | B.I'm sorry. |