The suspect cooperated fully with the police when ______ about his role in the incident.
B
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Hecomplainedtothebooksellerthattherewereseveralpages______inthebook.
Thosewhochangemobilephonestoofrequentlywillhavetopayforbeing______.
In1900,theenergyderivedfromburningpetroleumwasonlyfourpercent______ofcoal.
Hertalentandexperience______hertotherespectofhercolleagues.