People who often stay up too late are more likely to die of heart disease，________ a study.
| A．with the help of | B．because of | C．according to | D．as a result |
The Rubber Duck ____more attention to the two parks than usual during Mid –Autumn Festival and National Day holidays .
| A．paid | B．drew | C．appealed | D．let |
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 |