Questions 11 to 18 are based on the conversation you have just heard.

A．Asking for more tips.
B．Providing more service.
C．introducing more customers for the restaurants.
D．Talking more with customers.

A．A realistic goal for learners is to reach a certain level of language proficiency.
B．Learners can achieve native-like pronunciation through intensive study.
C．Learners should communicate with native speakers to gain greater fluency.
D．Teachers need to help learners foster self-esteem and confidence.