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  9. Ep 21: Unsolvable
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Season 1, Episode 21 English Worksheet
Brooklyn Nine-Nine S01E21 CEFR Level B1-B2 Interactive Lesson

Unsolvable

Learn English with Brooklyn Nine-Nine: Dialogues, Vocabulary & Interactive Quizzes

When Jake gets the weekend off, he decides to take on a cold case that everyone thinks is unsolvable, but with the help of Terry, the two try to crack the case once and for all. Meanwhile, Amy plans a romantic trip with Teddy and Gina and Rosa let Charles in on one of their best-kept secrets.

Vocabulary
Key Idioms & Verbs
Grammar
Real-Life Patterns
Practice
Fill-in-the-Blank
Quiz
4-Choice Questions
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1

Target Vocabulary & Expressions

Authentic idioms and phrasal verbs extracted directly from the dialogue.

huddle up

01:03

To gather closely together in a tight group, often to discuss plans privately.

"All right, huddle up, everybody."

hot streak

21:43

A period of continuous success or good luck.

"Yeah, but I'm on a hot streak!"

go out on a limb

43:48

To take a risk by making a bold guess or statement.

"I'm gonna go out on a limb here."

in cahoots

57:16

Acting together in secret or conspiring with someone.

"She's in cahoots."
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2

Grammar Focus & Structures

Key grammar patterns and spoken structures heard throughout this episode.

Future (Will) A2
Present Simple A1
Present Continuous A2
3

Fill in the Blanks (Dialogue Practice)

5 dialogue sentences designed for listening and contextual cloze practice.

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#1

I sprained my wrist in college _____ field hockey.

02:21

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4

Grammar in Context (Grammar Cloze)

5 target grammar structures to identify and complete.

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Rule: Past Simple Past Simple form of (sprain)

I _____ my wrist.

00:10

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5

Comprehension Quiz

5 multiple-choice questions testing plot context and character motivation.

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Question 1 (Preview)

How did Captain Holt actually hurt his wrist?

A Tripping on an uneven sidewalk
B Participating in an underground fight club
C Practicing moves in a hula-hooping class
D Playing violent men's field hockey
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6

True or False Statements

Statement accuracy comprehension check based on dialogue facts.

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#1

"Jake decided to spend his weekend resting and doing laundry at home."

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Frequently Asked Questions

Everything you need to know about learning English with this episode.

How does this lesson teach English using Brooklyn Nine-Nine?

This lesson extracts authentic vocabulary, idioms, and natural dialogues from Brooklyn Nine-Nine (Season 11, Episode 21) and creates interactive listening quizzes, fill-in-the-blanks, and comprehension exercises.

What English proficiency level is this lesson suitable for?

This lesson is designed for Intermediate to Upper-Intermediate English learners (CEFR B1-B2) who want to understand natural spoken English and colloquial expressions.

Can I practice this lesson for free?

Registered students receive a free monthly allowance of interactive library lessons and quizzes online. Unlimited access is available with Plus and Pro subscription plans.

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