Question

The watch is ________ tells the time.

[　　]

A. that which

B. that

C. which

D. which that

Answer 1

答案：A
提示：

定语从句的引导词，指人用who(作主语)whom(作宾语)，指物用which(作主语和宾语)，that既可指人又可指物，指地点用where，指时间用when，指所有格用whose。但在下列情况下，引导词只能用that；①先行词是复合不定代词时②先行词被序数词、形容词最高级、the last修饰时③先行词是或被all/no/some/any/little/much修饰时④先行词被the only/ the very/the same 修饰时⑤先行词是两个或多个分别表示人和物的名词时⑥主句是以who/ which引导的特殊疑问句时⑦先行词是主句的表语或关系代词在定语从句中作表语时。