题目

仔细观察下列一组图形: (1) 把右边的3个图形圈起来。 (2) 把左边第3个图形涂黑。 (3) 的左边有个图形,右边有个图形。 答案:【1】4【2】4Harry, did you attend the dancing party________ at Jack's house the other day? [     ] A. held               B. having been held   C. to be held      D. being held
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