Answer: whether, weather
Explanation: Looking at the Grey sky, Becky wondered WHETHER the WEATHER would ruin the class trip.
Weather and whether although having a similar pronunciation do not perform same function in a sentence.
Weather is used to describe the temperature and precipitation activity at a certain point in time while WHETHER is a word used as a condition between two likely outcomes.
Answer:
with
Explanation:
because with is a preposition.
Consonant blends, also referred to as consonant clusters, are a set of two or three consonant letters that when pronounced, retain their sound. Blends are found either at the beginning or end of a word. For example, in the word “break”, the “b” and “r” sounds are pronounced.