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one?s best play the piano not… at all never mind teach sb. how to do sth. no problem hear from sb. be likely to be ? We must be ________ with fire. ( care ) ? You must listen to your teacher ________. ( care) ? March 12th is Tree ___________ Day. ( plant) ? The girl heard someone _________ “Fire!”. (shout) ? He fell off the tree and _______ his leg. ( hurt) ? She can finish the work by _______. ( she ) ? You needn?t worry about your ________. ( safe) ? I ?ll go skating instead of _________. ( swim) ? We must do our_______to speak English well.(good) careful carefully Planting shouting hurt herself safety swimming best 1. He received a letter from his mum yesterday. He _______ ______