1 . 选择并使用所给单词的正确形式完成句子，有两个词为多余。

fortunately   contribute   flexible   apologize   shadow   enable       explode

1. After the disater, these people have been living for years under the________of fear.
2. Our plans need to be________ enough to meet the needs of everyone.
3. We should like to offer our ________ for the delay to your flight today.
4. Generslly,scenes requring GGI are filmed in front of a green screen in the studio and actors can be easily separated from the backgroud, ________ GGi effects to be added later.
5. ________, your parents do not always agree, and that makes you feel unhappy.