Cloning an animal is a complex ________ that can go fatally wrong at any stage.

The ______ a teacher has on children is usually greater than that of their parents.

--Why do you choose to work in an international travel agency?---Well, you know, English is my ________. So it is my best choice.

This year the farmers were just able to gather in the _____ before the fine weather came to an end.

From the top of Mount Tai, you can get a wonderful _______ of sunrise.