题目

My English teacher is strict ________ his work as well as _______ us. A . in; with B . with; in C . in; to D . with; to 答案：A 如图，一个四边形纸片ABCD，∠ABC＝90°，AB＝3 cm，BC＝4 cm，CD＝12 cm，AD＝13 cm．求这个四边形纸片的面积．