Look at the pride on Tom’s face. He _____ to have been praised by the manager just now. 

—Do you know the most ancient city in China—Xi’an well?—No，this is the first time I ________ here. 

The singer and dancer _____ asked to sing a song in public, and she agreed happily.

All the Harry Potter books by Joanne Rowling, a poor single mother ________ in Edinburgh, ________ all over the world.

In the past twelve months the research members ______ the effectiveness of many materials in a home building.