_____ help preserve history, the Greek government appointed a committee in 1975 to undertake a complete repair of the Acropolis.
| A．So as to | B．In a gesture to | C．As a gesture of | D．In salute to |
Over the past decades, mountain ice______ in the Himalayas as a result of global warming．
| A．has been decreasing | B．had decreased |
| C．decreased | D．is decreasing |
To our surprise, the fashionable young lady ________ to be a thief．
| A．found out | B．proved out | C．put out | D．turned out |
I still remember the days___ I spent ______ with you in Beijing．
| A．when; staying | B．what; to stay |
| C．that; staying | D．during; to stay |
In the face of _____ failure, it is vital that we should keep up _____ good state of mind．
| A．a; / | B．/; a | C．the; / | D．/; the |
Her handbag is on her desk. She ____ back home.
| A．must go | B．can’t go | C．must have gone | D．can’t have gone |