At______,photographyisachemicalprocess,duringwhichalight-sensitivematerialisalteredwhenexposedtolight.
A、itsmostbasicA
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LastMarchthe__________ofa19thcenturycargoshipwasfoundbyanunderwaterarchaeologicalteam.
_____nocauseforalarm,theoldmanwentbacktohisroom.
What a nice day! How about the three of us _____ a walk in the park nearby.
The Clarks haven’t decided yet which hotel _____.
The small mountain village was （）by the snow for more than one month.
