The important task will take Peter and me about four months to complete, so it will be a long time _____ we meet you again.
It was in 1969 that the American astronaut___on the moon
___,he likes Chinese very much
Having a trip abroad is certainly good for the old couple,but it remains___whether they will enjoy it
This is the only one of the best films__this year
This is one of the best films___this year