Have you ever been to ______ aquarium inQingdao before

Can you speed up a little I’ll be late formy flight— __________ I’m taking a short cut We’ll make iton time

His father has been trying to _____ his habit of playing video games all day.

Any new plans for your summer vacation— I am going to ______ a new hobby like dancing or skating.

In western culture,21 was the age________ young people traditionally received a key to their parents’ door, as a symbol of entering adulthood.