The snowstorm ________ our difficulties.
Allen and I are in the same history class, but her assignment differs _____________ mine.
We must __________ that the experiment is controlled as rigidly as possible.
The bank has _________ some property on which to constructed.
The island in the middle of the lake _____________ the beauty of the lake.
It is important for us to employ a word or phrase according to the ________ in language studies.