—I would like you to talk about the Great Wall. —I’m sorry, but _________ Jack _________ I have been there.
You can________the cake_______ten pieces.
The chairperson is very modest.He never_________.
I hope you can________me.
Helen spent ______ time studying English than I did.
I like riding fast .it’s very exciting .Oh , You mustn’t do it like that , it may have an accident .