题目

The knife______ we cut the bread is very sharp. A. with which      B. with that      C. which          D. that   答案：A介词放在关系代词前时用wbich，不能用that．下图是我国古代哪座城市的平面图（ ）。A．唐都长安B．宋都东京C．南宋都城临安D．明都北京