complex

English as a Second Language English Vocabulary, Grammar and Idioms
1
  1. The U.S. raid leveled a 100-building complex in Iraq.
  2. This was a complex and difficult task. I don’t know how he is going to finish it.
  3. She used to have a complex about her looks.
  4. She has an inferiority complex about her appearance.
  5. Delhi was a complex of different societies and cultures.
    Please correct the above.
    Thanks.
2

OK