Though Lei Feng ________ for fifty years, we are still learning from his spirit.

It’s ten o’clock. The children are ___ a good time.

——Excuse me, but could you please turn the radio down?——Sorry, I _________ you could hear it.

—Did you watch the basketball match yesterday? —Yes. You know, Jeremy Shu-How Lin, who is one of my heroes, ________ in the match.

— What did your father do last weekend?— He ___________ at home with us all the time.