“Get a book at the store” sounds like:
“GeT (pause) a book aT (pause) the store.”
“GeTA a book aTA the store.”
When words with FINAL T are in a sentence, link the T sound to the next word whenever possible. If you have a coming vowel sound, ALWAYS link the T (in a thought group)! Also reduce the T to a D sound for more American English apronunciation.
Here’s a free printable practice sheetof sentences.