The iPad isn’t ______. It belongs to ______.
Dave has ___friends here, so he often stays at home by himself and feels lonely.
--- It's so cold today.--- Yes, it's___ colder than it was yesterday.
___ is important for us___ English well.
--- Did Tony buy___ for his mother?--- Yes, he did.
--- Doctor,___do I have to take the medicine?--- Three times a day.