1 . It’s ________ (不可能的) for a little child to answer this difficult question.

2 . It is ________ for Jim to do his homework well because it is too noisy outside. (possible)

3 . I think it’s important for students to learn to be ________（独立）. It will ________（影响）their lives.

4 . Mr. Lee looks a little ________（失望的）.

5 . The watch cost me 1,000 dollars. It’s v________.

6 . It is ___________ to walk there in ten minutes. It’s about 5 kilometres away. (possible)

7 . We know the farmers are ________ (工作努力的) for a living.

8 . It’s i________ to finish the difficult work in two hours.