53．The pretty girl _________ Australia．She dances well．

B)根据句意，用括号中所给单词的正确形式填空。

52．The woman _________ the soldiers who saved her after the earthquake．

51．Where have you been _________? I haven't seen you for a long time．

50．Walk along this road and take the first turning _________．

49．In this supermarket，_________ fruit and vegetables are available all year round．

48．More and more young people are crazy about _________ online．

47．I like the style of the T-shirt but I don't like _________ color．

A)根据句子意思，从方框中选用恰当的单词或短语填空。

46．We must _________ to protect wild animals．