1.I will take some sandwiches in case I [ am] ( be ) hungry .
翻译:我会带些三明治以防我会饿.
in case加句子 表示以防发生什么事.
in case of 后接名词或动名词,以防某事
2.Take a map so that you won't get [lost] ( lose ) .
翻译:带上地图,以防走失.
get done的意思是“（主语）被……?,表示被动的意思,即主语是done表示的动作的承受者.
3.It was so crowded in the cinema that I felt very [uncomfortable] ( comfortable ) .
翻译:电影院里太拥挤了,我感觉很不舒服.
comfortable 舒适的
uncomfortable,反义词,不适的
4.The boy was not able to [walk] ( walk ) at the age of 4 .
翻译:这个男孩在他四岁的时候还不能走路.
be able to do有足够的能力做某事.
can do 可以做某事
5.The fat man is dieting so that he can become [thinner ] and [thinner ] ( thin ) .
翻译:这个胖子正在节食以做便他会变得越来越瘦.
比较级 and 比较级,越来越
longer and longer越来越长