单选题 You have to be patient if you want to {{U}}sustain{{/U}} your position.
  • A. maintain
  • B. establish
  • C. acquire
  • D. support
【正确答案】 A
【答案解析】[解析] sustain意思是“维持，使保持”，与maintain(维持，保持)意思相近。establish建立，设立；acquire获得，得到；support支持，拥护。