They are talking _______ they were old friends.
| A.as if | B.as although | C.even if | D.even though | 
Our cadres, whether high or low in their official rank, are the people's public servant and _____workers.
| A.common | B.ordinary | C.usual | D.normal | 
The servant opened the door and _______me into the house.
| A.admitted | B.allowed | C.led | D.sent | 
Such a grammar mistake is ______ among the beginners of English study.
| A.normal | B.common | C.general | D.ordinary | 
His cousin, who had just been _______ to Beijing University, was killed in a traffic accident.
| A.accepted | B.confessed | C.recognized | D.admitted | 
I didn't sleep well last night because it was too _______ outside.
| A.noisy | B.quiet | C.loud | D.silent |