Look at the sign, Sir. We don’t permit ________ in the hall.
| A．smoke | B．to smoke |
| C．smoking | D．to have a smoke |
Had he not come an hour earlier, he＿＿＿the secret that his mother was always there.
| A．must never find | B．must never have found |
| C．would never find | D．would never have found |
Others’ill will interests rather than disturbs me. I am only curious to know＿＿it is in me that is annoying to them.
| A．that | B．what |
| C．which | D．whether |
I don’t think David could have done such a stupid thing last night, ____?
| A．did he | B．didn’t he |
| C．do I | D．don’t I |
—Pity you missed the lecture on nuclear pollution.
— I it, but I was busy preparing for a job interview.
| A．attended | B．had attended |
| C．would sttend | D．would have attended |
—I’m dead tired. I can’t walk any further, Jenny.
—____, Tommy. You can do it.
| A．No problem | B．No hurry |
| C．Come on | D．That’s OK |