Answer:
Both mean something is needed or cannot be forgotten. They're synonyms.
Explanation:
Answer:
False (don't use the comment)
Explanation:
A complex sentence has at least one independent clause plus at least one dependent clause.
One place would be next to the word and the other would be at the beginning, where they explain the symbols.
Answer:

Explanation:
The dove made its nest in the bushes.
⇒ No imperative tone (used in commands)
⇒ No interrogative tone (asking questions)
⇒ No exclamatory tone (Feeling of surprise, indicated by !)
Answer: was talking
Explanation:
this is the only one that sounds right