Question

【题目】If you have to walk a long way, you need a pair ofwalking shoes．
A.clean
B.heavy
C.proper
D.expensive

Answer 1

【答案】C
【解析】句意：如果你一定要走很长的路，你需要一双合适的步行鞋。clean干净的；heavy重的；proper合适的；expensive昂贵的。故选C。