The students __________ their homework. (do), is doing, are doing, am doing, done, are done, The birds __________ in the sky. (fly), am flying, is flying, are fly, are flying, did flying, My brother __________ a bicycle. (ride), is rideing, is riding, are ride, are riding, am riding, The teacher __________ the lesson. (explain), is explaining, is explained, are explaining, is explaineng, am explaining, The children __________ a song. (sing), is singing, are singing, are sing, are singer, is sing, She __________ TV. (not watch), is not watching, is watching, are watching, are not watching, is not watch, It __________ today. (not snow), is not snow, are not snowing, is not snowing, is not snowwing, is snowing, I __________. (not sleep), am sleeping, is not sleeping, am slept, am sleep, am not sleeping, __________ to school? (go), Are we going, Is we going, Are he going, Am going, Is it go, My mother __________ dinner. (cook), is cook, is cooking, is cooked, are cooking, am cooking

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