Mrs. Le explained that the burning of coal led to air pollution., Nam said he had to present his paper on endangered animals the following week., Linda asked the speaker if human activities have an impact on the environment., Nam asked Mai what environmental projects her school was working on., Tom said to Nam that he would read more articles before writing the essay.

Task 1

per en/la
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Tauler de classificació

Actualment estem treballant per millorar la funcionalitat de la taula de classificació. Si us plau, ajudeu-nos oferint els vostres comentaris.

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Estil visual

Opcions

Actualment estem treballant per millorar la configuració de l'activitat. Si us plau, ajudeu-nos oferint el vostre feedback.

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Canvia de fonament

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