—Tom, you are smoking again?
—______? It’s none of your business.
| A．So what | B．How come |
| C．Why not | D．What for |
_____ as the most excellent student in her university, as most classmates had expected, made her parents very happy.
| A．Mary was chosen | B．Mary chosen |
| C．Mary being chosen | D．Mary’s being chosen |
At no time does the salesgirl get up late in the morning, for she is always too busy _____ a good rest.
| A．to take | B．taking | C．took | D．taken |
It was _____ computer games that cost the boy a lot of time that he ought to have spent on his lessons.
| A．to have played | B．playing | C．played | D．having played |
____ he’s only been learning English for a year, he speaks it very well.
| A．Considered | B．Considering |
| C．Having considered | D．To consider |
--- I hear Warren _____ in a middle school.
--- What? I can’t imagine him _____ as a teacher.
| A．teaches; working | B．teaches; work |
| C．teach; to work | D．teach; working |