．
hand
18
．
This detective story might not be _______________ interesting to keep the child awake.
A
．
amply
B
．
sufficiently
C
．
adequately
D
．
enough
19
．
She hurried all the way to the airport, _______________ to find her flight had taken off.
A
．
just
B
．
ever
C
．
then
D
．
only
20
．
_______________ plays an important part in many card games.
A
．
Chance
B
．
Opportunity
C
．
Possibility
D
．
Probability
21
．
This doctor has spent more than a quarter century, bringing this new technology to _______________.
A
．
acceptance
B
．
finish
C
．
achievement
D
．
reality
