The grocer didn't notice the thieves enter until it was too late.
If you were playing the piano how did the vase get broken.
The police force still had no idea how they were going to enter the strange cottage without being seen.
Answer:
The Windows allowed.
Explanation:The windows are not people :)
The author is trying to portray that all parts are important even though some may come smaller or larger than other. Nothing could happen as planned without the smaller of bigger parts
The last one. The only scenario where you wouldn't put a comma in the first quote is if it's a completed remark that uses particular punctuation such as a quotation or exclamation mark, but never a period. Hope this helped.
