—Shall I attend my friend's comingofage ceremony, Mum?—No, unless you see to ________ that you will be home before 1000 PM.
The student _____ from the training so much that he was _____ the first prize in the event.
You ______ be hungry already--- you had lunch only two hours ago!
I like getting up very early in summer. The morning air is good _______.
--- You’re quite free now, I think. ---_______. I have tons of things to do!
--- May I open the window to let in some fresh air? ---- ______.