_________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
-----You don’t look______. Are you ill? -----No, I’m just_______ tired.
#19837
A
well, little
B
good, a little
C
well, a bit
D
good, a bit
The ___ look on the girl’s face suggested that she ___ such bad news.
#18389
A
surprising, would expect
B
surprised, should expect
C
surprising, shouldn’t have been expected
D
surprised, hadn’t expected
One of the suspects is _________ schoolboy.
#34937
A
a 18-year-old
B
an 18-years-old
C
a 18 years old
D
an 18-year-old