It was the third time that I ________ of the changes of the timetable.
| A．had informed | B．have informed |
| C．had been informed | D．have been informed |
____ team wins on saturday will go through to the national championships.
| A．no matter what | B．no matter which |
| C．whatever | D．whichever |
In fact, more and more people ____ to live a greener, healthier and more environmentally “green life”.
| A．chose | B．choose | C．are choosing | D．have chosen |
——Did you know any French before you arrived in Washington?
——Never ____ it, actually.
| A．had I learned | B．have I learned | C．I learned | D．was I learning |
____ the search engine just gave me some brief introductions rather than the whole content of the book to read.
| A．Luckily | B．Mostly | C．Funnily | D．Disappointingly |
The program is like a window on the world ____ you sit by it and fix your attention on what it shows.
| A．if | B．as | C．while | D．unless |