The boy is most___________to make a great difference in the future, because he is so bright. Besides, he works extremely hard.

He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.

It was not long_____ he got to know it

When you come across new words in reading, it is not a good idea to_________in a dictionary at once.

When and where we shall bulid a larger home for the aged ________ to be discussed by the local government.