问题

Walking alone in the dark, the boy whistled to ________ his courage. [ ]
A: hold up
B: keep up
C: set up
D: take up
B: keep up
C: set up
D: take up
正确答案是:
同类题型
She was ________ mayor of the city for what she haddone for the public.
I don’t think Susan will be sad but I’ll go andcomfort her ______ she is.
After several days of survey, the police still didn’t know the __________ of the killer.
The teacher came into the classroom,_______of the students in it.[ ]