20.In addition,________ these historic sites________ by the rest of the world is helpful for preserving and repairing these sites.( )
A. | to get; being recognized | B. | to get; to be recognized | ||
C. | getting; being recognized | D. | getting; recognized |
19.A big hand ________ on Brian's forehead in his slight sleep last night,which ________ warm and comfortable.( )
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A. | was felt; felt | B. | was felt; was felt | ||
C. | felt; felt | D. | felt; was felt |