---I wonder if she ___ to our party.—I think she’s sure to come if she __ time tomorrow.
—I usually go there by train.—How about _____ by boat this time?
—Shall I stop here?—No.Go on _____ ,please.
Do you remember _____ Mr.Smith at the meeting last Saturday?
I don't feel like _____ tonight as I'm so tired.
—Good morning,Bill. —Did you have any trouble _____ through the snow?