_________several times, but Mary still has no idea of how to do it properly.
#19683
A
Being shown
B
Having shown
C
Having been shown
D
I’ve shown her
推荐题目
John was so sleepy that he could hardly keep his eyes ______.
#20384
A
open
B
to be opened
C
to open
D
opening
Though she is CEO of a big company，she is a(n) ______ woman in the eyes of her family.
#20603
A
usual
B
average
C
normal
D
special
The police failed to come up with ______ evidence, and on that account the suspect was released.
#19308
A
effective
B
valid
C
subtle
D
considerate
---I don’t think Lily can sing _______ Lucy.---I disagree. I think Lily can sing ______ Lucy.
#17602
A
as better as; as well as
B
as well as; worse than
C
so good as; better than
D
as well as; better than
Very ______ about toys, Tony was not to be pleased, though I tried to show him one by one.
#18917
A
responsible
B
particular
C
special
D
curious