Theprofessorsaidhecouldtalkon_____interestedtheaudience.
A、anytopicGenerallyspeaking,thehardoneworks,_______.
_____ofwatermakesDeathValleyadesert,butitisbynomeansdevoid.
herehasbeenagreatincreaseinretailsales,____﹖
Itisnolongeraproblem_______thepoorchildreninthisdistrictcangotoschool.
IheardthatyoureallyhadawonderfultimeatJohn'sbirthdayparty,_____?
