What are you planning this weekend— I don’t know. Maybe I will visit my grandparents.

Wind power is an ancient source of energy ____ we may return in the near future.[ ]

In which part of the play is it　　　　Lily will play a role?

How do you find the television tower overlooking the city and the river— It has changed out of all _____ in the past 10 years, completely new in front of me.

John is taller than ____ in his brother Tom’s class.