【单选题】He urged donors to ________ their efforts to send aid to Somalia.
A: step on
B: step up
C: step off
D: step down
A: step on
B: step up
C: step off
D: step down
举一反三
- He urged donors to ( ) their efforts to send aid to Somalia.
- 中国大学MOOC: He urged donors to _____their efforts to send aid to Somalia.
- A person is standing on a staircase. He walks clown 4 steps, up 3 steps, down 6 steps, up 2 steps, up 9 steps, and down 2 steps. Where is he standing in relation to the step on which he started A: 2 steps above B: 1 step above C: the same place D: 1 step below E: (E) 2 steps below
- Never before in similar circumstances____. A: a British Prime Minister had refused to step down B: did a British Prime Minister have refused to step down C: a British Prime Minister did have refused to step down D: had a British Prime Minister refused to step down
- step up