Answer:
Synonyms are words that mean the same thing so you just need to find words in the word bank that mean the same thing as the bolded word in each sentence. It's pretty hard if you don't know what the words mean. Also, use context clues from the rest of the sentence to figure out the meaning of the word.
Antonyms mean the opposite of the word. For example, hot and cold.
Step-by-step explanation:
2. Increase means growing or getting bigger which means the same thing as expand.
3. Downpour
4. constant
5. problems
6. opening
7. unrealistic
8. certainty