--- Please _______ us in the discussion. --- I’d like to, but I’m _______ busy at present.
----- I’d like to invite you to dinner this Saturday, Mr smith. -----________.
Have you _____ the book yet?
They will be very _____ to see you here.
What about the two of us _____ a walk after supper?
----would you like another piece of cake? -----______.