You _____be careful with the camera.It costs!
Tom succeeded, for he had made a great ______ and got over plenty of difficulties.
It is agreed _______ there is a river, there is a city.
It is amazing that the little boy can go _______ the forest ________ 100 meter long.
Kids talk frequently about what they can do, __________ many adults do the opposite, tending to talk about what they can’t and why.
when the newspaper boy got to a blue door, _________, which frightened him away as fast as possible.