My father bought the i-phone 5S two weeks ago. He ______ it since two weeks ago.

Hard work can bring you _____________, but if you are lazy, you won’t become ___________.

My elder brother wants to buy a _____ computer, so that he can carry it around when he travels.[ ]

I have to study for the math test tomorrow because it_______40% of the final exam.

No doubt ________ he knew the news.