英语难题 Newton was playing under an apple tree ______ an apple

Newton was playing under an apple tree ----an apple fell ont Newton was playing under an apple()an apple fell Newton was playing under an apple tree___an apple fell onto Newton was playing under an apple treebefor an fell onto his 是a apple tree还啊an apple tree? 是a apple tree还是an apple tree? 英语翻译Upon seeing an apple fall while walking,Isaac Newton was draw an apple tree under the tree,drdw a cat colour the cat there is an apple in the tree . We sat under ___ apple tree with our teacher .选择 an a the .这 One a_ evening,he sat down under an apple tree.以a开头的单词, Tony is reading under an apple tree.Tom is pointing ( )the t