The word that could fit the gap is definitely a possessive pronoun such as their, used because it refers to the previous pronoun them
Answer:
Isolate is the best word I know.
Explanation:
But if you have choices, and it isn't a choice, then tell me your choices.
Answer:
i'm not sure what the question is. If it is to correct the grammar given, then it would be Mario and Judith <u>a</u><u>r</u><u>e</u><u> </u>studying for <u>a</u><u>n</u><u> </u>upcoming science exam.
The shape of the poem helps better understand the meaning of the poem.
