．No one knows exactly when our ancestors started talking，but new evidence suggests _______might have happened a long time ago．
#16908
A
which
B
what
C
it
D
they
推荐题目
It’s an either-or situation—we can buy a new car this year or we can go on holiday but we can’t do .
#14895
A
others
B
either
C
another
D
both
(2013·青岛二模)She wanted a job, ________ she had never experienced before.
#14778
A
that
B
one
C
it
D
what
----What do you think of the songs? ----As a matter of fact ,_____of them sounds beautiful .
#16861
A
no one
B
not all
C
not every one
D
not everyone
--Can I help you? --I'd like to buy a present for my father's birthday, ___________ at a proper price but of great use.
#16971
A
one
B
anyone
C
that
D
everything