Is it the years _______ you worked in Africa as a doctor _______ have a great effect on your literary works?
Beneath our feet ______ that our life depends on for food and clothing.
_______, Jack couldn’t get the door open. He had to dial 119.
The skier’s red clothes stood out clearly ___________ the snow.
The teacher suggested the dictionary ___________ at once.
There was a teapot shaped like a duck, out of ______ mouth the tea was supposed to come.