BEARS
The bear can be a dangerous animal, The adult bear is very strong and it can kill a person. Bears are good at 【C1】______ trees and they can run very fast, But they cannot see well and, 【C2】______ most animals, they find food by using 【C3】______ noses.
There are seven kinds of bear. The 【C4】______ is the white polar bear, which is almost three metres tall, There are two kinds of black bear,
【C5】______ lives in the forests of North America, and the other lives in South-East Asia. But not 【C6】______ black bears are black, They may be dark brown or a reddish brown.
Everyone loves the black and white panda bear, which comes from China. Not 【C7】______ pandas live in the forest today because 【C8】______ is difficult to find food.
【C1】______

A. climbed
B. climb
C. climbing