The man was walking along the street he stopped and looked as ifwhether he was going in the right direction.

Good friends are like stars. You don’t always see them, ______ you know they are there.

How was your day off Pretty good ! I ______ the science museum with my classmates.

tired professor, _____ in his new book in thepast three years, hasn’t realized the decline in his health.

34．John lost his job last year, but it wasn’t long ______ he found a new position in another company