Can you with 2 questions?
what is the antonym/opposite of the words
1. a famous (precursor) a. forerunner b. successor c. champion d. writer e. sprinter.

2. an unwelcome (interjection) a. explosion b. grammar lesson c. sudden word d. long discourse e. interference.

word meanings-
interjection- a word of phrase sometimes inserted between other words, often expressing emotion. oh! ouch!

precursor- forerunner.

i put the words down here just in case you didn't know. also so you didn't have have to keep switching from tab to tab! : -)