76. troubles -trouble　　 77. at-in　　 78. Therefore -However

85．off改为out; “put off”意“推迟，延期”与上下文无关；应为“扑灭火”，即“put out”才对。

People often have troubles getting used to a new culture . They 　　 　　　　 76．　　　 　

are usually very happy when they first arrive at a foreign country . 　 　　 77．　　　 　

Therefore , if they stay a long time , they may start to feel different 　　 78．　　　 　

stages of culture shock . They can get lonely or sad because they 　 　　　　 79．　　　 　

can't deal with the local people . How quick you get used to culture 　 　　 80．　　　 　

differences may be depend on the way you learn . That’s a problem 　　　　 81．　　　 　

if they can’t speak the language . On other hand , some can study 　　 　　 82．　　　 　

the situation and make good guesses about the culture . When he 　　 　　　　 83．　　　 　

finally began to understand some of the language and make some 　　　　　　 84．　　　 　

New friends , they will gradually enjoy themselves and feel satisfying . 　 85．　　　 　

84．正确

83．Her改为his 从上文看是he

82．Burnt 改为burning。因为闻到到东西烧焦，动作正在进行。

81．while改为when; “was doing …when…” 是一个固定句式，意“正在做某事时突然发生另一件事”。

80．are改为were; 呼应本句的时间“one day” (过去的某一天)及主句的过去时态“told”，用过去时。

79．在talk 后加about　 类似的有 a pen to write with, a cold room to live in.

78．but 删去；“but”不可以和“though”连用。

77．Student改为students　　 one of +可数名词的复数形式