He urged donors to ( ) their efforts to send aid to Somalia.
举一反三
- 中国大学MOOC: He urged donors to _____their efforts to send aid to Somalia.
- 【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
- How many people in Somalia need food aid A: Fifteen thousand. B: Two million. C: Five million.
- To save efforts you can send emails to all the reviewers simultaneously.
- A number of countries are _________ their efforts to send out food to the area worst affected by the flood.