don't worry about it—it's an easy mistake to ________!

some of the young actors are still wet behind the ________.

the water may be carried by means _____ a pipe.

her number one objective is to ________ promotions.

we still have to struggle ________ all kinds of difficulties.

the doctor said he should _______ in bed for a few days.

workers' leaders have expressed their __________ to cooperate.

many of us conform to the ______ customs laid down by our forebears.

the head of the new york office was on the horns of a ________ and wondering what to do.

we'll make our _____ and contact the people involveD.

unfavorable economic conditions were blocking a _____ of the american insurance market.