It was not until the 18th century that man realized that the whole of the brain was involved in the working of the mind， ？
#64932
A
was it
B
wasn’t it
C
did they
D
didn’t they
推荐题目
— Have you got any brothers or sisters? — ________.
#59762
A
Yes, I have
B
No, I haven’t
C
Yes, I have one
D
I have a brother and sister
I can’t believe that anyone else in the school can swim as fast as you, ?
#64507
A
can I
B
can’t they
C
can’t you
D
can they
He isn’t a diligent boy, for it is the second time he has been late, ?
#65223
A
isn’t it
B
is he
C
has he
D
is it
-- Can Jane and Jill swim? -- _________.
#59744
A
Yes, they can.
B
Yes, she can.
C
Yes, they can't.
D
No, they can.