The five rings on the Olympic flag________the union of the five continents and the meeting of athletes from all over the world

He shot________the bird with his gun,but didn’t shoot it.[ ]

I could have helped the old man ______ yesterday morning.

can’t finish the book in less thanan hour, I suppose—_______ I’ll return it to you on time

Jane’s pale face suggested that she ____ ill, and her parents suggested that she ____ a medical examination[ ]