1£®More than 50,000 yuan has_been_raised (raise) for the poor family since the group was founded.

2£®China's space program has_been_developed (develop) greatly since it sent its first astronaut to space in 2003.

3£®Computer science, with which rapid progress has_been_made (make) in recent years, plays a very important part in our daily life.

4£®Up to now, more than five new species have_been_found (find) on this island by researchers.

5£®Black Friday has_been_regarded (regard) as the beginning of the holiday shopping season for years.

6£®Since the early 1990s, a lot of clinics have_been_founded (found) in this country to treat poor people for free.

7£®The balance between the city and the country has_been_broken (break) by the industrial development over the past two centuries.

8£®Some efforts were_made (make) to improve the air quality in the city last winter.

9£®Over the past three years, the paintings have_been_taken (take) to more than 20 museums in the world.

10£®For centuries, the ancient language has_been_passed (pass) on from one generation to another.