There was a lot of fun at yesterday's party. You ________ come,and what a pity!
I don't understand what the engineer means, but I’ve got_________ rough idea of____________ project plan.
—May I put my luggage on the seat beside you, sir? —_________________.
—HowmuchdoIoweyouforlunch? —________________.It’snothing.
It ________ that their plan was practical and successful.
It is considered a good way for students to ________study with pleasure.