Multiple choice No dogs allowed, unless on leashes. No dogs allowed, unless on leashe's. No dogs allowed, unless on leashes. No dog's allowed, unless on leashes. No dogs' allowed, unless' on leashes. Reveal answer Fill a bubble to check yourself B Correct answer Explanation The plural of dog is dogs, which does not require an apostrophe. Option B correctly uses the plural form without an apostrophe and the correct spelling of leashes.