The correct answers are 2, 3 and 5.
An effective public speaker should have this characteristics:
-He/she should be able to speak at a steady pace, to favor thus the correct interpretation of his/her words by a heterogeneous public, in which there are different comprehension capacities, so that speaking at a calm pace will help everyone to receive the same message.
-He/she should use gestures and body language to reinforce the message that is being provided, and facilitate its understanding.
-He/she should make eye contact with the audience, since this gives the public a feeling of familiarity with the speaker, which generates more attention and interest on the subject.
A) Leaves out a comma before Walt (i.e. this weekend, Walt?)
B) Is not a direct sentence. The speaker is not talking to Abraham Lincoln; she/he is only talking about him.
C) Uses the comma correctly in a direct address. The speaker is saying something directly to Denise and there is a comma directly after her name.
D) Again, the speaker may not be talking directly to the boys but simply to the parents of said boys.
I hope this helps!!
An industry is a group of manufacturers or businesses that produce a particular kind of goods or services. ... Industry comes from the Latin industria, which means "diligence, hard work," and the word is still used with that meaning.