Choose the appropriate options to complete the sentences
1. Today, ---- people who enjoy winter sports is much greater than that of twenty years ago.
According to the studies, dolphins, whales and ---- other sea creatures use highly sophisticated navigation systems.
The dietary habits of a child often have ---- to do with that child's eating habits as an adult.
In the United States of America, there are literacy classes for workers, ---- of whom never graduated from high school.
In the first ---- months of life, an infant learns how to lift its head, how to smile and how to recognize its parents.
Serving ---- terms in Congress, Shirley Chisholm became an important United States politician.
Although the language learning abilities of apes have surprised ---- scientists, they generally agree that apes do not progress beyond ---- linguistic abilities of a two-year-old child.
The storm continued for ---- of the days when we were in New Orleans,·but fortunately there wasn't ---- damage in the city.
Heavy fines and jail sentences have made ---- difference in preventing elephant poaching for their tusks.
Although ---- species of fox are reddish in color, ---- Arctic fox is often pure white.