．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
Claire thought it was ridiculous sympathy by a robot.
#15711
A
to offer
B
to be offered
C
to be offering
D
to have offered
Be quick,Tom!I need pen to mark the page.Can you get for me?
#16821
A
one;it
B
a;that
C
the;one
D
a;one
---Is there anything I can do for you? ---I’m looking for a book, written by Han Han.
#16125
A
which
B
that
C
one
D
the one
I like_________ when the teacher says that my work is satisfactory ________.
#15962
A
this；at all
B
that; in general
C
it；on the whole
D
one；in particular
Could I speak to ____________ is in charge of the company?
#15864
A
anyone
B
someone
C
whoever
D
no matter who