---Li hasn’t passed the driving test, has he?        ---     , though he tried his best.                           

—Are your parents at home? —No, they aren’t in. They _________ to Beijing.

It was rather cold yesterday,      ? 

He’s never had seafood,          ?

---She’s seldom asked to do housework at home,        she?---      . Her parents are very busy with their work, so she has to do the laundry every day.