Ifyouarewalkingawayfromaclocktower，youwillhearthetickingoftheclockfadetoapoint________itcannotbeheard.
A、whichC
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。
_______forthefreeticket,Iwouldnothavegonetoseefilmsooften.
Lyingundertheskull,thehumanbraincontainsanaverageoftenbillionnervecellscalled______.
These two alarm clocks are normally set together, but now they have been reset a few hours _________.
_______ is a fact that English is being accepted as an international language.
This is an important problem _______ too few social scientists have researched.
