题目

We are all busy the coming English exam.A. to get ready B. getting ready C. to prepare for D. preparing for 答案：【答案】D【解析】句意：我们都忙着为要到来的英语考试做准备。根据be busy doing sth.是固定用法，意为“忙于做某事”，故排除A、C两项；根据get ready for为---做准备，故正确答案是D用直尺和圆规作一个角等于己知角痕迹如图所示，则作图的依据是_______.