人教新起点四年级上第一单元一课一练21 翻译下列单词和短语1.read a book_ 2.take pictures_3.toy train _ 4.watch TV_5.my friend _ 6.little brother_2根据图片，和给出的句子，补充句子。1 They are_.2 She is _.3. He is _.4.She is _5. He is _.6. They are _. 3写出下列单词的-ing 形式1.read_ 2.write_ 3.take_4.swim_ 5.play_ 6.run_答案11.读书 2.拍照 3.玩具火车 4.看电视 5.我的朋友 6.弟弟21. reading books 2.running. 3. taking pictures. 4. playing football. 5.flying kites 6.riding bikes.31.reading 2.writing 3.taking4.swimming 5.playing 6.running
