题目

If you _____ it , I will lend the book to you. A. read      B. will read       C. have read    D. were reading   答案：Bwill用在条件状语从句中是情态动词表示愿意。有一种几何图形，它绕某一定点旋转，不论旋转多少角度，所得到的图形都与原来的图形完全重合，这种几何图形是A.正三角形B.正方形C.正六边形D.圆