This is the very information _______ we can learn what is selling best in the market. .
| A．from which | B．that | C．which | D．from that |
Tony can't have received the invitation. _________，he would have attended your birthday party yesterday.
| A．Therefore | B．Otherwise |
| C．However | D．Besides |
Girls are encouraged to pursue high standards in their academic work, develop broad interests, good study skills and an independent _________ to study.
| A．means | B．method |
| C．mind | D．approach |
My life has been _________ with many milestones and accomplishments of which I am proud.
| A．bored | B．blessed |
| C．stupefied | D．Satisfied |
The police tried _________ to break up the protest crowds.
| A．in vain | B．on vain |
| C．at vain | D．with vain |
Every means has been _________. No one is effective.
| A．trying out | B．tried in |
| C．tried on | D．tried out |