Perfect tenses For this section of the test, read each sentence carefully, then fill in the blank spaces with the correct form of the verb given in the parentheses (...). Since the middle of the 20th century, scientists (find) have found cures for many diseases. However, so far no one (discover)

Since the middle of the 20th century, scientists have found cures for many diseases. However, so far no one has discovered

Explanation:

those are the perfect tenses for (find) and (discover)

whats the question you didnt post a question

explanation:

his tongue, i believe, was bloody and hanging out of his mouth.

he looked as if he were hungry.

he has several wolf-like qualities; a gray coat, sharp claws and yellow fangs.

those eyes made me feel, dear reader, like the end was near.

as i reached for a stick, he moved to the other side of the hill.

panting and hungry, he looked at me, a defenseless human and he snarled.

well i said my prayers, however, he simply turned and limped off.