Not only the students but also their teacher_______ the Great Wall before.

Where is your father working —Ina hospital_____ in the city of Huai’an

(2013·河南开封一模)It is announced that big prizes will go to ________ finishes the assignment on time

Perseverance is a kind of quality and that’s __________it takes to do anything well.

. As a result of the snowstorm, the village was ____ from the outside world for more than a week.