It is the _______in the country to go out and pick flowers on the first day of spring.

The twins are of similar _________ in music, though they are quite different in character.

These natural disasters have warned us that everyone should start to protect the_________ immediately.

 It was not easy for him to buy good shoes because he had such a big _____ of feet.

 The _________ on his face was kind of strange, when I told him the news.