John Smith has been to the jungel to look for gorillas.（)

.The old paper mill has been ______to make way for

Telecommuting—substituting the computer for the trip to the job—has been ______ a solution

Baroque has been the term used by art historians for almost a century to the dominant styl

A good idea has just ____ to me that we can use the Internet to look for the informa

John Smith comes to the New World to do his research on gorillas.（)

He finally______ to find the reference book that he had been looking for.A．triedB．attempte