Ⅰ.语境填词
1．When the ________ (幕布) came down at the end，the audience applauded for five minutes.
2．We don’t ________ (容忍) smoking in the library.
3．Keep these tools in your car in case of ________ (突发事件)．
4．Marin won a prize for good ________ (行为) at school.
