Toward the end of class, the teacher dealt in detail with the question _______ on at the beginning.
The town has a concert hall and two theatres. The _______ were both built in the 1950s.
That warmhearted woman often helps ______ is in trouble.
---You ____ him more help, even though you were very busy. ---Well, now I regret not.
---The last one _______ pays the meal. ---Agreed!
Where to get the materials and how to get them ________ at the meeting.