Are you still working in Shanghai? —No, I’m working in Hangzhou nowI ______ in Shanghai for three years

Are these your books –Yes, B。

This cake is very sweet．You __________ a lot ofsugar in it．

How are you getting on with the work——So far it _____ easy but things may change

Now lots of teenagers spend a lot of time playing computer games. — Yes. Teachers and their parents should prevent them ___________ too much.