At ______, photography is a chemical process, during which a light-sensitive material is altered when exposed to light.
A
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Theteachers’union_________alawsuitagainstthedistrictcallingforrepairing“deplorable”schoolconditions.
—Canyoutakethedayofftomorrow?
—Well，I‘allhavetoget（）frommyboss.
Nancywassurprisedthattheyhave（），Theyseemedtobeahappycouple.
_____theirhelp,wewouldnothavesucceeded.