21-25 CACCB 26-30 CDCBB 31-35 DDCBC 36-40 DCAFG41-45 DBCAB 46-50 CDADC 51-55 BADCB 56-60 ADCAB

61-70(One possible version)

61.in 62.honouring 63.funniest 64.safety 65.to deliver 66.it 67.which 67.whitch 68.Designed 69.are invited 70.personally

短文改错(One possible version)Last Saturday,a regular’customer of our restaurant showed up.After dinner,he asked the entire staffsto come to the dining area.He thanked everyone for work hard during this difficult time.stafworkingThen something amazed happened.He gave each∧us$l0 as a reward for our good service.amazingofThat he did and said greatly surprised us.Usual,I am not an emotional man,but this thing wasWhatUsually really moved me.Though we finally refused his money,his act of kind really brightened our day.kindnessThey all appreciated this generous customer and decided to serving more people wholeheartedly.Weserve