D. Fall is implied. The leaves turning gold and red is the biggest cue, as this only happens in fall. Other clues include 'crisp' (chilly, but not snow-cold).
Billy can publish anything on his blog I bet it’s true . Filled in the blank with I bet . Or I hope
Answer:
My school offers four science classes: chemistry, biology, physics, and earth science.
Explanation:
To introduce a list, the colon always follows a noun, not a verb.