短文改错 72. .. looked very sadlysadlysad 71. my friends Jim... friendsfriend→ 73.... him but we...'butso 74... and ask him...ask→ asked 75. the day walk...walk→ walking 76... I' ve lost them..... themit/that 77. .old man wait.wait前加to 78... at the last...去掉the 79.... never forgot the... forgot-forget→ 80.. wallet for him.forto