At least 300 million people are using QQ_____ by Ma Huateng to chat online.
When the astronauts came back from space, many reporters interviewed ________.
Which is ________ to learn, singing or dancing, baby?
--- Would you like to have some tea or coffee? --- ________. Thank you. I’ve just had enough tea.
You’ve got so ________ housework to do. Can I help you, mum?
________ New Year’s Eve, we can watch fireworks and enjoy performances.