Answer:
Explanation: I honestly don't know. It is confusing me. I am sorry.
Exercise 1:
an ocean
a pebble
an insect
a bug
a web
an archaeologist
an eagle
a geologist
a fossil
an ancient fossil
You only change "a" to "an" when the next word starts with a vowel.
Answer:
C I think I'm so so sorry if I get it wrong
