Question

No matter how bright a talker you are, there are times when it’s better ______ silent. A．rem.

No matter how bright a talker you are, there are times when it’s better ______ silent. A．remain B．be remaining C．to remain D．having remained

Answer 1

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.