“Power sleeping” for more hours on weekends is only a _______ solution. There is no substitute for getting a good night’s sleep on a regular basis.
. There are so many kinds of tape-recorders on sale that I can’t make up my mind ____to buy.
. Charles Babbage is generally considered _______ the first computer.
. The missing boys were last seen _______ near the river.
. The patient was warned _______ oily food after the operation.
. I regret _______ you that we are unable to offer you employment.