On average, the footprints discovered are 14 to 18 inches long, 5-9 inches wide and much larger than _____ of a human.
_____ child can finish his homework on time.
______ the Chinese have been to Beijing.
_____ I shouted at the top of my voice _____ turn his head.
Not only I but also Jane and Mary _____ tired of having one examination after another.
--What is the model plane like? --Well, the wings of the plane are___________ of its body.