— I hear the famous singer Xu Song may come to Ningbo next month.— Really? _______ he comes, my younger sister will be very excited.

Jack,          ., or you will get heavier.

— Sam, you don’t work hard at geography.— My dad says that the world is changing every day,        I decide to wait until it stops.

 —_____ did Mr Li finish the work last night?  —At about eleven, I think. 

You won't feel happy at school      you get on well with your classmates.