题目

Mr Black often _____ fishing on Sundays, _____ he ? A. goes…doesn't B. goes…isn't  C. doesn't go…does D. doesn't go…is 答案：A等腰梯形ABCD中，E、F、G、H分别是各边的中点，则四边形EFGH的形状是（ ）A．平行四边形B．矩形C．菱形D．正方形