The major drawback ofusing historical results for judging current performance is that inefficienciesmay be concealed in the past performance.

Ancient Rome subjected most of Europe. A: confined B: conceded C: concealed D: conquered

Her brave smile ____________ a deep hurt.（ ） A: conceded B: conceived C: concepted D: concealed

He _______ himself with a false beard and a pair of sunglasses. A: hid B: covered C: concealed D: disguised

The runaway ____ his identity by wearing a mask and sunglasses. A: concealed B: liked C: expose D: saw

Mr Darcy told Mr Bingley what he had concealed, and he still thought he was right.

The secret agent concealed her real mission, therefore many local people were _________ into thinking that she was a good person.

The word ( )()( )in this passage<br/>suggests something less than original. A: convenient B: convicted C: concealed D: conventional

I wonder who first____the idea of bags with gas to make balloons. A: imagined B: conceived C: cherished D: concealed

The boy’s face betrayed the fact that he had been eating jam. A: denied B: concealed C: showed D: emphasized