（2012全国新课程）I don't believe we've met before, I must say you do look familiar.
| A．therefore | B．although |
| C．since | D．unless |
To improve the quality of our products, we asked anyone ____________ had used the products for suggestions.
| A．whoever | B．who | C．which | D．whichever |
The president spoke at the business meeting for nearly an hour without _____ his notes.
| A．looking down | B．bringing up | C．trying on | D．referring to |
If he ______ my advice, he wouldn’t have lost his job.
| A．followed | B．should follow | C．had followed | D．would follow |
There are many mistakes in his essay, ______ his failure.
| A．which results | B．leading to | C．led to | D．that led to |
She has already tried her best. Please don’t be too ______ about her job.
| A．curious | B．special | C．particular | D．responsible |