76.去掉to 77.got后加to
78.traveled改为traveling 79.are改为were
80.√
81.去掉been 82.having改为had
83.address改为addresses 84.us改为me
85.practicing改为practise
略
76.去掉to 77.got后加to
78.traveled改为traveling 79.are改为were
80.√
81.去掉been 82.having改为had
83.address改为addresses 84.us改为me
85.practicing改为practise
略