It seems that living green is____ easy and affordable A small step makes a big difference[ ]

My father said he was going to the guest at the airport the next day.

I don’t think it’s any use _____with him. You might as well _____ him alone. [ ]

Sally took a photo of her friends while they ______computer games.

Parents should see to it _______ their children formthe habit of brushing their teeth every day.