Failure often occurs in our life. Keep ______ about the future, and you will achieve the goal you set sooner or later.
On turning the corner, we saw the road _____ steeply.
----- How do find the boy at home?------_______.
As ____ changed, and whatever men can do, women can do, too.
----- You should have finished your homework, I gave your much time.----- Sorry, but I_____ it.
Proper exercise is good for your health._____, too much is bad for it.