Crossing the bridge, she felt dizzy and clung_____the rails.
A. onto
B. into
C. on
D. to
查看答案
One cause of the Civil War was economic and political______between the South and the North.
A. rivalry
B. rival
C. context
D. contract
Exhausted and sweating from their______, they sat down to catch their breath and remove their outer clothing.
A. pains
B. strengths
C. forces
D. exertions
Captain Benson praised his men's courage and_____in dealing with a very dangerous situation.
A. permanence
B. perseverance
C. resistance
D. independence
We persuaded him to give up this uninteresting job, but all______.
A. in vain
B. out of mind
C. for waste
D. at it