Answer:
2. b) academic, business, trade.
3. a) keynote speech.
Step-by-step explanation:
2. A conference is when a group of groups of people assembles to discuss or talk about a particular topic. This meeting can be about business or any important issue and can also be about academics and trade. Different conferences are organized for different purposes, depending on the themes and audience.
Thus, the correct answer is option b.
3. A keynote speech is when the main underlying theme or idea is talked about by the speaker. This type of speech is mainly seen in a convention or any public event where lots of people congregate and a speaker talks about the main issues and ideas for the 'meeting' or conference.
Thus, the correct answer is option a.