There’s a feeling in me  _______we’ll never know what a UFO is—not ever.
#66670
A
that
B
which
C
of which
D
what
推荐题目
I was about to leave the office ______ the telephone rang.So I stopped ______ it.
#70104
A
when; to answer
B
when; to reply
C
while; answering
D
as; replying
May and susan are twins and I can’t tell_____is_____.
#73040
A
which ;who
B
which ;which
C
who ;whom
D
whom ;who
He never speaks to others until ______.
#67931
A
he speaks
B
spoken to
C
he is spoken
D
he speaks to