Question

When and where to hold the meeting _ still unknown to us. A. are B. were C. is D. was

When and where to hold the meeting _ still unknown to us. A. are B. were C. is D. was 为什么是C

Answer 1

When
and
where
to
hold
the
meeting
_
still
unknown
to
us.
A.
are
B.
were
C.
is
D.
was
选项是C。
因为主语是【一个】不定式短语，表单数。
句意是:“在什么时候在什么地方举行这个会议，我们还不知道”。