It’s foolish to go to the ___ of taking music lessons if you never practise.

–What took you so long? –I got lost. I have no sense of direction.

An increasing number of people enjoy sun-bathing, but experts warn that too much ________of the body to strong sunlight is harmful．

Would you take my old TV in _______ for this camera?

 Despite such a big difference in ______ towards what one eats, there is no doubt that people in the west regard the Chinese food as something special.