We （）buy candy at that little grocery store but now it is now a multiplex cinema.

A（n）（）is a speaker listener who is a member of homogeneous speech community，who knows language perfectly and is not affected by memory limitations or distractions.

A.native language user
B.proficient user
C.ideal language user
D.perfect language user

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Knowing how to say something appropriate in a given situation and with exactly the effect you intend is a question of the（）

A.syntax
B.semantics
C.pragmatics
D.lexis

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