.Walking alone in the dark,the boy whistled to ________ his courage.
#11038
A
hold up
B
keep up
C
set up
D
take up
推荐题目
There is _________ thing as a free lunch.
#13670
A
not such
B
no such a
C
one such a
D
no such
After a second thought, Bill ________ a better idea of how to solve the problem.
#13358
A
put up with
B
came up with
C
kept up with
D
mixed up with
_______by the teacher, she took two books away from the reading room.
#13921
A
Permit
B
Permitting
C
Permitted
D
Permits