One World, One Home (H1)
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Key vocabulary words with IPA pronunciation, definitions, example sentences, and interactive quizzes.
Phrases with type tags, bilingual definitions, usage notes, and example sentences.
To stop the flow of electricity, gas, water, etc. by moving a switch or button
To be important or have an effect
To increase gradually until there is a large amount
To take part in an activity that other people are already doing