One theory, ________ suggested by Harvard University, is that humans began cooking their food, thereby releasing nutrients locked in the raw food and reducing the time needed to chew it.
#67116
A
which
B
as
C
that
D
what
推荐题目
The way ______ he did it was different from _______ we were used to.
#68786
A
which; what
B
/; what
C
in that; what
D
that; that
Lincoln’s mother did ___ many books ___ him.
#71560
A
what she had buy, to
B
what she could buy, for
C
all that she had to buy, to
D
all she could buy, for