My cousin is good at all his subjects at school, but he never ________.—What a ________ boy! We should learn from him.

To fight SARS, we should ______ animals.

The weather turned out to be fine yesterday. Ithe trouble to carry my umbrella with me.

Do you know Yao Ming Yes. He is one of basketball player in the NBA.

Peter, where did you guys go for the summer vacation?—We ____ busy with our work for months, so we went to the beach to relax ourselves