根据短文内容，用括号内所给动词的适当形式填空,必要时可加助动词或情态动词。
Campbell Remess is a teenager from Australia. He has been sewing (缝制) teddy bears for sick children for several years.
The story____ (begin) in 2013 when Campbell was nine years old. He told his parents that he wanted to give Christmas gifts to children in hospitals. But his parents said no, because with nine children of their own, buying presents for sick children would just cost too much. The little boy didn't give up, however. He decided____(make) their presents by himself.
Campbell made his first teddy bear with his mother's sewing machine in his bedroom. It was hard for him as he had never done this before. He downloaded (下载) patterns from the Internet and learned how to make a teddy bear by____(watch) videos online. It took him five hours to finish his first teddy bear. He can now make a teddy bear in an hour. He has also started a project called “Project 365 by Campbell” in which he____(try) to make a teddy bear every day.
Young Campbell uses his pocket money to buy materials for making teddy bears. To make more pocket money, he helps his parents with housework whenever he is free. Sometimes, he also sells his teddy bears online____(raise) money for sick children. Many people ____ (encourage) by Campbell's story and they give away free materials to him.
Campbell____ (give) away about 1,300 teddy bears so far. He is now busy making this year's teddy bears. He said that he had never thought of stopping and he would keep putting smiles on people's faces.
