Ifyouarewalkingawayfromaclocktower，youwillhearthetickingoftheclockfadetoapoint________itcannotbeheard.
C
译文：如果你从钟塔旁走过.你将会听到滴答声，直到你走远。此题考查定语从句。 where 在定语从句中做地点状语，先行词是 a point。
Ifyouarewalkingawayfromaclocktower，youwillhearthetickingoftheclockfadetoapoint________itcannotbeheard.
Bloomfielddrewon______psychologywhentryingtodefinethemeaningoflinguisticforms.
Hesaidthatthegroup________himaletterandaskedhimtogothereforaninterview.
This is an important problem _______ too few social scientists have researched.
Thisisanimportantproblem_______toofewsocialscientistshaveresearched.