this - ....is a kite. , this - ....is a kite. , this - ....is a kite. , these - ....are kites., this - .....is a doll. , this - ........is a watch., these - ......are dolls. , these - .....are watches. , this - ....is a robot. , these - ....are robots. , this - ......is a lorry. , these - .......are lorries. ,

unit 3: Grammar this and these

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排行榜

視覺風格

選項

切換範本

恢復自動保存: ?