.From the classroom window we saw a huge snake _____ the yard.
—Shall I attend my friend's comingofage ceremony, Mum?—No, unless you see to ________ that you will be home before 1000 PM.
bought three DVD copies of the film Avatar and now _ is left. Somebody just borrows something and never returns.
Jane is in a hurry because the train to the airport leaves _______ half an hour.
Staying up is bad _____ you , but getting up early is good _____ your health.
_______ one of you breaks the window will have to pay for it.