QS3.1.1.1.1.3a和an
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Earned Point(s): 0 of 0, (0) QS3.1.1.1.1.3-1 Write a or an. pencil case(一个铅笔盒) QS3.1.1.1.1.3-2 Write a or an. schoolbag(一个书包) QS3.1.1.1.1.3-3 Write a or an. pencil(一只铅笔) QS3.1.1.1.1.3-4 Write a or an. eraser(一块橡皮) QS3.1.1.1.1.3-5 Write a or an. ruler(一把尺子) QS3.1.1.1.1.3-6 Write a or an. paper(一张纸) QS3.1.1.1.1.3-7 Write a or an. textbook(一本教科书) QS3.1.1.1.1.3-8 Write a or an. pen(一只钢笔)
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