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Agent 008 is reviewing her top-secret mission brief. The agency's translator often confuses "to" and "for" (a common trap for speakers of languages that use por and para).

Select ALL the sentences that correctly use "to" and "for".

You must travel to Berlin for a highly classified meeting.

I bought this exploding pen to you.

She used a fake mustache to disguise herself.

Use this laser watch for unlock the safe.

This mission is too dangerous for a beginner.

The correct answers are: You must travel to Berlin for a highly classified meeting. She used a fake mustache to disguise herself. This mission is too dangerous for a beginner.

Use to + verb to show purpose (to disguise herself, to unlock the safe). Never use for + base verb.

Use for + noun to show the purpose of an object or action (for a meeting).

When giving or buying something for someone's benefit, we use for (bought this pen for you), not to.

Medium B2 | Upper Intermediate Preposition

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Preposition

A preposition is a small word that links a noun or noun phrase to other parts of the sentence — usually marking time, place, or relationship: in, on, at, to, from, with, over, under, between, during. The book on the table, We met at noon, She lives in Berlin.

Prepositions are deceptively small. Their meaning shifts dramatically by collocation (depend on, good at, afraid of), and their choice rarely translates directly between languages. Picking the right preposition is one of the trickiest, most idiomatic-sounding parts of English.

B2 | Upper Intermediate

B2 is the upper-intermediate level in the CEFR framework, sitting between B1 and C1. At B2 you can read editorials, follow most TED talks without subtitles, and hold extended conversations on abstract topics — including topics outside your everyday life.

Grammatically, B2 means flexible control of mixed conditionals, passive voice across tenses, reported speech with proper backshifting, and participle clauses. B2 is the standard target for university entrance exams (IELTS 5.5–6.5, TOEFL 87–109) and most skilled-migration thresholds — knowing whether you're there shapes your study plan.

Difficulty: Medium

The Medium difficulty tag marks questions and challenges in the middle of the difficulty range — typically suitable for A2 to B1 learners. Expect a single rule with realistic distractors, longer sentences, and contexts where you have to think before answering rather than reading off the obvious choice.

Filter by Medium when you're past the absolute basics and ready to consolidate. It's the level where most lasting progress happens — easy enough that you can finish without exhausting concentration, hard enough that getting it right means you've actually understood.