We can never forget the days _______ the three astronauts in spaceship worked together and the days ________ we spent together [ ]

When I go to school, I say “______” to my parents.

_____ are in the same class. —Yes, ____ should help each other.

We’ll have a class meeting. Don’t leave the classroom ______ 6 o’clock.

Bob has gone to Califonia.—Oh, can you tell me when he ?