No one except Jack and Tom ________ the meeting.
The young tribal man helped Mrs.Davidson find her way back, in return for________ medical equipment was offered to him by the latter.
The difficulty solving such a problem ten years ago was twice greater than ________ is today.
— Damn! I ________ more to avoid that! — Don’t cry over spilt milk.Besides, it wasn’t your fault.
These monkeys are such quick thieves that they ________ your bananas when you realize what has happened.
As the ________ of Thomas Edison shows, a child who typically questions the most common facts may turn out a genius as a grown-up.