No matter how bright a talker you are, there are times when it’s better ______ silent. A.rem.
C
试题分析:无论你是多么健谈的人,总有些时候保持沉默更好。此题是no
matter
how引导的让步状语从句,而主句中又含有一个when引导的定语从句,从句中it是形式主语,而真正的主语是不定式结构to
be
silent。句型结构为:It
+
be
+
形容词
+
(of/for
sb.)+
动词不定式。
点评:动词不定式,动名词或主语从句作主语时,通常用it作形式主语,放到句首,将真正的主语放在后面,常见句型有:
1.
It
+
be
+
形容词+主语从句,如:
It
is
uncertain
whether
he
can
come
to
Jenny’s
birthday
party
or
not.
2.
It
+
be
+
名词词组
+
主语从句,这类名词有:a
fact,
a
pity,
a
shame,
an
honour,a
question等,如:
It’s
a
pity
that
you
missed
the
exciting
football
match.