Answer:
c. Smile when appropriate.
d. Speak loudly.
e. Encourage accurate feedback.
Explanation:
It is crucial to have effective communication skills as it equips the speaker with the ability to interact with the customers, colleagues, and clients. The above features would surely help develop and enhance the oral communication skills that include speaking or conveying thoughts loudly, smiling when appropriate would reflect the speaker's confidence, and encouraging accurate feedback would assist in improving verbal communication skills. Following up in writing has not much to do with oral communication. Teaching English phrases should instead be learning phrases in order to enhance the skills. Accepting blame, assuming comprehension will not work in international environments as it may mislead or negate the individual efforts.