四、词汇（本题共15小题；每小题1分，满分15分）

A. 请根据括号中的中文提示、英文释义或句意，写出句中所缺单词，使句子通顺。

46. Luckily, neither the driver nor the ________ (乘客) was hurt.

47. ―Do you know the lady well over there?

―No, she is a ________ (完全的) stranger to me.

48. Can you tell me who ________ (designed and created) the telephone?

49. We all know the Great Wall is one of the ________ (something that fills you with surprise) of the world.

50. Ben was helping his mother when the rain began to beat heavily ________ the windows.