2. 职称考试
  3. A great deal has been done to remedy the situation.A:maintain B:improve C:pres

A great deal has been done to remedy the situation.A:maintain B:improve C:pres

admin2020-12-24  49
问题 A great deal has been done to remedy the situation.
选项 A:maintain       
B:improve       
C:preserve       
D:protect
答案B
解析
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