21.（ ）

(单选题)What has made ordering and delivering takeaway food easy? (单选题)What made the government admit Shyam Lal’s achievement? (单选题)What does the underlined word “viral” in the last Para. prob (单选题)How does Shyam Lal feel about his work? (单选题)Where is the pond Shyam Lal chose to dig? (单选题)What do Newberry’s words in the last paragraph suggest? (单选题)The statistics (统计数字) in Paragraph 8 are used to show ______ (单选题)How did Ratelle feel when she received a photo from FAWNA ac (单选题)What do the first two paragraphs mainly talk about? (单选题)Social change is less likely to occur in a society where peo