Many wildlife _____ will be destroyed if people keep cutting down the forests., habits, habitats, Researchers are looking for ways to reduce the environment ______ of air pollution on the local community., impact, affect, It's illegal to kill pandas, tigers or any other ______ animals., dangerous, endangered, Global _____ is mainly caused by pollution and clearing of forests., warming, climate, The teacher explained the rising sea level ______ a result of global warming., was, had been, My friend told me that he/she _____ take part in the competition the _____ month., will / previous, would / following, The speaker said the clearing and burning of forests _____ to air pollution., led, leaded, Tuan asked Minh if _____ was interested in joining the event _____., he / that weekend, Tuan / next weekend, Nam asked Mai when _____ to deliver the presentation on the environment., was she, she was.

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