如图,西安路与南京路平行,并且与八一街垂直,曙光路与环城路垂直.如果小明站在南京路与八一街的交叉口,准备去书店,按图中的街道行走,最近的路程约为(▲ )A.600m B.500m C.400m D.300m 答案:B解析:略 .“I haven't heard from Henry for a long time.” “What do you suppose_____ to him?”? A. was happening B. to happen? C. has happened D. had happened??