用is/are填空。 ①There _____ one dog and two cats in the picture. ②There _____ two pens and o
用is/are填空。①There_____onedogandtwocatsinthepicture.②There_____twopensandonebookonthede...
用is/are填空。 ①There _____ one dog and two cats in the picture. ②There _____ two pens and one book on the desk.
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