—Mum, when shall we go shopping? —After I finish _______ the clothes.
Wang Fang is young, but she plays Ping-Pong ___________ her mother.
It’s bad for our eyes ______in bed.
-Where is Susan?-Oh, she lives in England, so I ____________see her.
Most students in China go to school __________their bikes
. –My pet dog died yesterday.--- ________.