Bài tập 1 - Ôn tập từ vựng unit 1,2,3

{"parts":[["choose","Choose the correct word to complete each sentence:",0,"","",[["My mom is a __________. She works in a hospital.",["teacher","doctor","farmer","nurse"],0],["He always __________ his homework after dinner.",["makes","does","plays","finishes"],1],["They are __________ in the park now.",["studying","cooking","reading","running"],2]]]],"corr":[[2],[2],[4]],"exp":["","",""]}

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