用单词或词组的适当形式填空,每次限用一次.（twenty；protect；surprise；take place；pea

用单词或词组的适当形式填空,每次限用一次.（twenty；protect；surprise；take place；peace）
1、It's not _______ that you're putting on weight,considering how much you're eating.
2、China is at ______ with its neighbours for many years.
3、Are we doing enough to ________ the environment?
4、Lily worke in Boston in the ________.
5、As usual,the yearl evening party will ______ in December.