A.That is a picture. |
B.Is this a picture? |
C.Is that a picture? |
A.Can you help me? |
B.Can I help you? |
A.Do you want it? | B.How much is it? |
A.I like this pen. | B.The pen is ten yuan. |
A.Thank you. | B.How are you? |
A.I want a toy car. | B.Here is a toy car. |
A.Can you help me? |
B.Can I help you? |