Most of us know we should cut down on fat, but knowing such things isn’t much help when it ________ shopping and eating. [ ]

This is such________useful book that I have learned a lot from it.

M“Any assumption that smokingis beneficial is _________ absurd.”

you finished your compositionalready, Jack ― Yes, I _____ it withinhalf an hour

Look! So many colorful bicycles in two lines over there.—They’re for public. This kind of green smart traffic is ______ in big cities now.