Your taskFill in the gap in each sentence with the correct word or phrase.teacherplayerdriversingerswimmerhelpfulcarefulcarelessuselesskindnessdarknessquicklyslowlyunhappyrewrite0 / 15 answeredYour score0 / 150%Keep practising! Focus on the explanations below.1My brother works at a school. He is a .Correct answer: teacher▸ Why?Add the suffix -er to the verb "teach" to form "teacher" — a person who teaches.2She plays tennis every day. She is an excellent tennis .Correct answer: player▸ Why?Add -er to the verb "play" to form "player" — a person who plays a sport or game.3He drives lorries for work. He is a lorry .Correct answer: driver▸ Why?Add -er to the verb "drive" (drop the silent final -e first) to form "driver" — a person who drives.4She sings in a band. She is the lead .Correct answer: singer▸ Why?Add -er to the verb "sing" to form "singer" — a person who sings.5He trains in the pool every morning. He is a very fast .Correct answer: swimmer▸ Why?Add -er to the verb "swim", doubling the final consonant: swim → swimmer. When a short verb ends in a single vowel + consonant, double the consonant before -er.6She always helps other people. She is very .Correct answer: helpful▸ Why?Add the suffix -ful to the noun "help" to form the adjective "helpful" — meaning willing to help or give assistance.7Please be on the stairs. They are very slippery.Correct answer: careful▸ Why?Add -ful to the noun "care" to form "careful" — paying full attention to avoid mistakes or accidents.8He makes a lot of spelling mistakes. He is very .Correct answer: careless▸ Why?Add the suffix -less to "care" to form "careless" — meaning not giving enough attention and making mistakes. Compare: careful (paying attention) vs careless (not paying attention).9This old umbrella has a big hole in it. It is completely .Correct answer: useless▸ Why?Add -less to the noun "use" to form "useless" — having no practical use or value. The suffix -less means "without".10She always helps strangers. Everyone admires her .Correct answer: kindness▸ Why?Add the suffix -ness to the adjective "kind" to form the noun "kindness" — the quality of being kind. The suffix -ness turns adjectives into abstract nouns.11The lamp broke and the room was full of .Correct answer: darkness▸ Why?Add -ness to the adjective "dark" to form the noun "darkness" — the state or quality of having no light. "Full of darkness" requires a noun, not an adjective.12She is a quick learner. She learns very .Correct answer: quickly▸ Why?Add -ly to the adjective "quick" to form the adverb "quickly". Adverbs modify verbs and describe how an action is done. Do not use an adjective ("quick") to modify a verb.13The old man walked very . He could not move fast.Correct answer: slowly▸ Why?Add -ly to the adjective "slow" to form the adverb "slowly". Use an adverb, not an adjective, after action verbs like "walked".14She did not pass her exam. She felt very .Correct answer: unhappy▸ Why?Add the prefix un- to the adjective "happy" to form "unhappy" — meaning not happy or sad. Un- is a very common negative prefix in English (unhappy, unkind, unfriendly).15I made a mistake in my essay. My teacher asked me to it.Correct answer: rewrite▸ Why?Add the prefix re- to the verb "write" to form "rewrite" — meaning to write something again. Re- means "again" and is added to verbs: rewrite, reread, reopen.Check AnswersPlease answer at least one question first.Found an error in this exercise? Let us know.