The important task will take Peter and me about four months to complete, so it will be a long time _____ we meet you again.
A number of students ________the exam so far,but the number of the students who failed ________great.
The traditional ____________to dealing with complex problems is to break them down into smaller,more easily managed problems.
The English test was so easy that most of the students had no ________finishing it in given time.
Many people ________in old days.
-Do remember to see a doctor tomorrow. -________.