Ifyouhavedifficultylocatingaparticularbook，pleaseaskourlibrariansfor___(assist).
assistance
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Itisessentialthatyou__________anydocumentcarefullybeforesigningit.
Canyoutellusmore___(precise)whathappenedlastnight?
Whenhewasarrested,Terry_________incrimeforyears.
The police asked them to describethe________ woman looked like.
We all know about the_____ that smoking can do to our health.
