Should I go to the University of Iowa or Iowa State University—Think it over for a few days. You _____ make up your mind right now. There’s no hurry.

They offered a lot of useful information for your report; I can understand how ________ you must be feeling to them now.

The incident ________ a long train of problems and difficulties.

．Didyou have trouble_________the entrance to the hill

Many people are ________ as to what to do when thereis a fire