He had collected plenty of historical evidence, proved that humans used to have different sleeping patterns.
#76733
A
that
B
which
C
it
D
what
推荐题目
________ is mentioned(提及) above, the number of the students in senior high schools is increasing.
#78524
A
Which
B
It
C
What
D
As
In today’s competitive economy, ________ everyone is trying to do more with less, you’ve got to figure out a way to profit from the very beginning.
#76981
A
which
B
that
C
how
D
where
Thousands of people lined up to lay flowers in front of a 28-story high-rise in Shanghai, _______a terrible fire killed at least 58 people.
#76868
A
when
B
where
C
which
D
what
She may have missed the train, she won’t arrive for another hour.
#78200
A
in that case
B
in this case
C
by which case
D
in which case