Many sailors think that a thick fog is their ________ enemy.

This type of jewelry is ______, so you’d better buy some as soon as possible.

The young man is good at a lot of things but you can't say he is ____.
—I agree with you．Actually no one is.

Jim, I’m _______ my present job. I want to look for another one.

That the United States attempted to force RMB to be revalued was out of political  　   
other reasons.

This is the way to show our concern for the young people and to give them      guidance.

Though he is a(n) _______ worker, he works very hard.

Look, dark clouds are gathering. It is _______ to rain soon.

Would it be _____ for you to join us in raising money for the worst-hit area in the earthquake tomorrow?

—Can Li Hua help me with my English?
—I regret to tell you that her English is _____ yours. Why not ask others for help?