Which word correctly completes the sentence?
Today _____like to speak to you about a special person – my sister Lan.
1. I’m
2. I’d
3. I’ll
4. I’ve



Answer :

2nd one because your saying that YOU'D like to tell people about your sister. 
Since you would fill in the blank with the words "I would", the contraction is "I'd".

Answer is 2) I'd