been

Many ______ large and big business ______ been built up from small ones. 

With an eighty-hour week and little enjoyment, life must have been very ___for the nineteenth-century factory worker.

In Chinese culture, there has always been an emphasis ______ traditions and customs

I have been busy working for a long time so I need to ______ in this National Day Holiday and enjoy time.

It has been _______ that Mary and Tom’s wedding will be held next Sunday

With an eighty-hour week and little enjoyment, life must have been very ___for the nineteenth-century factory worker.

I have been busy working for a long time so I need to ______ in this National Day Holiday and enjoy time.

─ Ｗhere have you been, Tim?─ I've been to_________.

Tom regards Nanjing as  his  second ______because he has been there for over ten years.

In November, shipments of the popular toy Aqua Dots were found to have been polluted with a poisonous chemical, causing some children who ate the craft toys vomit and lose ____.