Adjectives that can either masculine or feminine may end with what letters

Adjectives that can either be masculine or feminine end with a or o. Some adjectives that end with e like inteligente stays with the e when it's either masculine or feminine. Just keep in mind that you don't need to change an adjective that ends with e to a or o. Just leave it as it is.
Hope this helps

Choose the sentences that are true. the observatory of mount tololo: is in the sahara desert has the largest telescope in the southern hemisphere are allowed student visits every saturday has free tours. i know little spanish so i had to look this up. i know simple spanish. sorry : (

Because it’s a specified person/thing