Your mouth waters when seeing qingtuan because of the _____.

(单选题)21.（ ） (单选题)The letters for the manager ______ on his desk but he didn’t (单选题)Kathy ______ a lot of Spanish by playing with the native boy (单选题)After ______ seemed an endless wait, it was his turn to ente (单选题)To the surprise of the public, the ______ of the cause of su (单选题)It is announced that ______ $20,000 reward will be offered f (单选题)Why will some 30 better-off households remain in the village (单选题)What did President XI mean by saying “doing embroidery” in p (单选题)Why did the members of two households move to the new reside (单选题)What has Carolyn McGettigan’s 2014 study proven?