—What do you think your life will be like________ twenty years?—Yeah.I have thought about it________ three years.
—_______ can I keep the books? —Two weeks.
I didn’t know it _______ you told me.
We’are going to visit a(an) ____ friend this afternoon.
He eats _______ food, so he is _______ fat.
We should eat _______ fruit and vegetables, but _______ meat. It is good for our health.