It took me quite a while to ______ how to solve this problem.
Idioms are used all the time and unless you recognize when an idiom is being used, what you read or hear ______ can easily be misunderstood
Mr. Smith went to a bookstore, where a lot of books were .
Having concentrated for a long time he ____ his work, made some coffee and talked with his colleagues.
----- Are you going to leave now ?----- you would prefer me to stay here.
--- I like football.---______ my sister and me.