The subjunctive mood is the best.
The subjunctive is rarely used in colloquial English. Totally irrelevant information, but... it is a relic from Latin, where there are many uses for a subjunctive. There is even a special conditional using the subjunctive mood that expresses the exact circumstances you described, which is usually called future less vivid.
Answer:Online shopping has been made very easy, modern, and is time-saving.
Explanation:
Opinion based on what I see online shopping as
Are you supposed to do it in past tense?
Then it would be:
13. Fit
14. Ran
15. Fed
Answer: The author wants to inform readers about trees.
