Some people fear that ______ air pollution may bring about changes in ______ weather around the world.

Look! This coat is very beautiful.—-Yes, but its price is too______ for me. It is 1000 yuan.

As we all know，dark glasses can ________ the eyes from strong sunlight.

Dinner is ready. Help yourself!—Wow! It ______ delicious. Could you please tell me how to cook it?

It may take _________ years to make such robots .