Liuyun and liuxin _____(fly)kites on playground(操场)now.
问题描述:
Liuyun and liuxin _____(fly)kites on playground(操场)now.
答
现在进行时.因为后面有now
现在进行时的结构是:主语+be动词+动词ing形式+其他.
此句中:主语和其他有了,be动词和动词ing形式缺少.
Liuyun and Liuxin 是两个人.所以be动词用are,fly的现在进行时是fiying.
所以填 are flying .