The news has just ___ that the president is going to visit China next month.
A. come out B. put out C. let out D. given out
By looking at a problem in as many ways as possible, creative thinkers can find solutions that would ___ remain invisible.
A. otherwise B. yet C. already D. forever
It was foolish of you to take a taxi ___ you could easily walk there in five minutes.
A. while B. when C. since D. before
He is only too ready to help others, seldom, ____ refusing them when they turn to him.
A. if never B. if ever C. if not D. if no
The traditional approach ____ with complex problems is to break them down into smaller, more easily managed problems.
A. to dealing B. in dealing C. dealing D. to deal
Someone called me up in the middle of the night, but he hung up ____ I could answer the phone.
A. as B. since C. before D. until
