We were in ______ when we left that we forgot the airline tickets.
Do you have any difficulty ________?
They lived a hard life and were often made _______ for over ten hours a day.
The country has _____ several wars in the past century and people there are still living a poor life.
The English teacher told us this morning that we _____ an exam at the end of this month.
Some students cheated in the exam, which _____ our teacher deeply.