1 . Mexico will ________ (抱怨) at the United Nations Security Council (安理会) this week about unequal access to coronavirus vaccines.
您最近一年使用:0次
2 . A simple and common method used by many consumers is to ________ (抱怨;投诉) directly to the store manager. (根据汉语提示单词拼写)
您最近一年使用:0次