We always keep___spare paper, in case we run out.
#84426
A
too much
B
a number of
C
plenty of
D
a good many
推荐题目
Though difficult, I ________ him find a job, which made him very pleased. 
#68919
A
tried to help
B
managed to help
C
tried helping
D
succeeded to help
I usually don’t wake up until my alarm _______ every morning.
#74691
A
switches off
B
gives up
C
puts up
D
goes off