It's ___ so easy as you imagine.
September 18th, 1931 is a special day, ________, I think, that will be remembered by the Chinese forever.
—Shall I attend my friend's comingofage ceremony, Mum?—No, unless you see to ________ that you will be home before 1000 PM.
—What do you think of the 2013 Spring Festival Party?—Well, great! But I don't think much of ________ held last year.
No matter how late she comes home, she makes ________ a routine to walk her dog for about an hour.
Almost 90% of the most popular video games contain violence, and ________ of it is extremely violent.