About your language abilities

A: What foreign languages can you speak?

B: I can only speak English as far as foreign languages are concerned.

A: Which band of College English Test have you passed?

B: Band Four (Six).

A: Do you think you're proficient in both written and spoken English?

B: Yes, I think I'm quite proficient in both written and spoken English.

A: One of the most important things for this job is English progiciency. Can you use English freely?

B: Yes, I think so. I can communicate with foreigners easily. They say my English is quite good.

A: Can you speak Cantonese?

B: Yes, I can. Although I come from Hunan Province, I've gained mastery of Cantonese since I've been living in Guangdong for ten years.