Whenever I read the old letters, _____ was fairly often, sweet memories warmed my heart.
| A．who | B．which | C．when | D．that |
Until the noise of the bus _______ , we were able to hear the program again.
| A．died from | B．died off |
| C．died away | D．died out |
The building is carefully designed so that everyone can leave the building safely if an accident ________.
| A．increases | B．raises | C．rises | D．arises |
Your desk is crowded with too many unnecessary things, including used papers and books. You’s better ______ some of them.
| A．remain | B．recover | C．remove | D．replace |
As is universally recognized , our strong sense of national ________ has been shaped by our history.
| A．identity | B．accent | C．difference | D．power |
It was a ________ that the whole family survived the earthquake.
| A．mercy | B．trick | C．loss | D．incident |