Answer: No change is needed
Explanation: This is because the first one would make it seem like you can either have sand or water when you need both. The second one contradicts earlier when it says that you need the sand making it seem you don't later on. The third one sounds like it is saying you either need all the materials or time when you need all of these things. So the last one is correct. This sentence already makes sense
Complete subject:Flowers and candy
Complete predicate:traditional gifts for Valentine’s Day
Tanya carried Abigail's yellow umbrella and the small three shopping bags as she walked down the busy city sidewalk. Hope this helps!
not sure what the right answer is but i chose "we choose" and it was wrong.