第二节语法填空 (共20小题，满分30分)阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为2

第二节语法填空 (共20小题，满分30分)
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为26～45的相应位置上。
A
Nobody before Jane fully understood chimp     26    (behave). She spent years observing and recording their daily activities. Since her childhood she     27    (want) to work with animals in their own environment.     28    , this was not easy. When she first arrived in Gombe in 1960,     29     was unusual for a woman to live in the forest. Only     30     her mother came to help her for the first few months was she allowed to begin her project. Her work changed the way people think     31     chimps. For example, one important thing she discovered was that chimps hunt and eat meat. Until then everyone had thought chimps ate only fruit and nuts.She     32    (act) observed chimps as a group     33     (hunt) a monkey and then eating it. She also discovered     34     chimps municate with each other, and her study of their body language helped her work     35     their social system.26.behaviour  27.had wanted  28.However   29.it         30.after