Scientistsdoubtwhetherit’s________toregulateone’sbiologicalclockbydrinking.
Wecannotseeanypossibilityofbusiness____yourpriceistoohigh.
Hefound_______difficulttostudymaths.
Peopleappreciate_______withhimbecauseheisknowledgeableandhumorous.
IntheU.K.,theQueen'sSilverJubileeisin_______.
