1. The children were amused at the joke. �����Ǿ������Ц������Ȥ��
2. The computer game amused the boy greatly. �������Ϸʹ�����к��ܿ��ġ�
3. I work for a big University in London, and get to travel far less than some of you do but quite enough to keep me amused. ������һ���ܴ�Ĵ�ѧ�﹤������Ȼȥ���εĴ����Ȳ�������ĸ�λ������Ҳ���㹻����Ȥ�����С�