"Wonderful" is defined as inspiring delight, admiration, or pleasure. "Fantastic" can have a similar definition, which is of very great excellence. All of the other answer choices are predominantly negative in meaning, thus "fantastic" is the best answer choice!

"Terrible" can replace "awful" in the sentence to maintain the correct meaning.

"Vast" means large; Small is the opposite; Dangerous means the potential to cause harm; Slow means moving at a low speed; and Invisible means not able to be seen.

"Ancient" means very old.

"Normal" is defined as conforming to a usual standard. Since "ordinary" is defined as normal or not distinct, "ordinary" is our best answer choice. "Abnormal" and "normal" are antonyms.

"Split" means "divided" or disunited, so "divided" is the correct answer.

"Sole" means only, so "only" would be the best answer. "Many" is an antonym, or opposite, of "sole."

"Daily" means occurring everyday. Shallow means not deep. Dirty means not clean. Selfish describes someone who cares only about himself. Skinny describes someone who is thin.

“Solo,” when used as an adjective, means alone or by yourself, so "alone" is the best answer choice. To provide further help, “crafty” means cunning, sneaky and clever; “paired” means matched up in groups of two or put together with something else; “grave” means serious and sad; and “intrepid” means adventurous.

"Instant" is defined as occurring immediately, so "immediately" is the best answer choice! "Delayed" means taking more time to happen than was originally predicted, making it a loose antonym, or opposite, of "instant," and the other answer choices are not related in meaning to "instant."