By the time Dave reached the small boat, a thick white fog _______ over the surface of the water.
A. spread B. has spread
C. had spread D. was spreading
At the root of volunteering is the idea ________ one person may have the ability to offer services that can help other people.
A. that B. what C. which D. /
While many people are excited about these new technologies, these same technologies frighten others. Nowhere __________ truer than with genetically modified (GM) food.
A. there is B. is there
C. is this D. this is
I talked to my friend about it, and he’s __________ giving up the plan.
A. in search of B. regardless of
C. in agreement of D. in favor of
Instead of telling the joke he had planned, Crystal _________ a new one.
A. come up B. took up
C. made up D. cut up
Animals are more ____ to the environment than human beings, which is how they survive.
A. sensitive B. attractive
C. cruel D. committed
