It was ______ in the exam that ______ how much time I had wasted. A. not until I failed; did I realize B. until I failed; I didn’t realize
—Do you know where the headmaster is? I have something urgent. —Oh, he ____ have gone far, for the computer is still on in the office.
— Shall I pick up your shopping for you? — Oh, I couldn’t possibly trouble you. — It’s all right. I _________ past the shop anyway.
— How was your weekend, Bella? — Awful! That was the first time I _____ alone at home, bored to death.
— How can I prepare for class, Mr. Johnson? — __you ____ my web page? You can download the notes and read them ahead of time.
— Will $ 1,000 _____ the cost of the trip? — I’m afraid not. Perhaps I need _____ $ 400.