Lesson 21 Spelling Test ('23-'24)

v. (1) to treat something or someone poorly and without respect. It was not kind for the teacher to __________ the student. (2) to make the quality of something worse. An oil refinery might __________ the air quality.

• degrade
• degraid
• digraid
• digrade

adj. moving or changing in small amounts; happening in a slow way over a long period of time. I prefer a __________ increase in homework over a sudden increase.

• gradual
• graduall
• gradewal
• draddual

v. to earn a degree or diploma from a school, college, or university; to move from one level to a higher level. Most seniors choose which college they want to attend before they _________.

• graduate
• graduait
• gradewait
• dradduait

adj. moving forward; using or interested in new or modern ideas. The banker’s ___________ disease continued to worsen.

• progressive
• progresive
• progressif
• progressiv

v. to return to an earlier and usually worse or less-developed condition or state. A child showing the early signs of autism might regress around the age of two. When a child _________, he may lose some speech or stop talking altogether.

• regress
• regres
• reagress
• regriss

adj. ready or likely to attack or confront; characterized by or resulting from aggression. That dog was unreasonably _________.

• aggressive
• agressive
• aggresive
• agresive

adj. having good or pleasing qualities; worth having or getting. The house should sell quickly since it’s located in a __________ neighborhood.

• desirable
• desireable
• desirible
• desyrable

adj. easily hurt or harmed physically, mentally, or emotionally; open to attack, harm, or damage. The soldiers knew they were most _________ at the bottom of the hill.

• vulnerable
• vulnerible
• vulnirable
• vulnerabl

adj. able to be seen; easily seen or understood; known to or noticed by the public. On a clear, dry night, the northern lights are sometimes _______.

• visible
• visable
• viseble
• vizible

adj. unable to be seen; not visible to the eye. In Monsters Inc. Randal is the monster that can make himself __________.

• invisible
• invisable
• inviseble
• invizible