第1个回答 2019-09-16
三行:classmate—classmates复数
四行:they—we主语是we不是they
五行:去掉of:learned,学习后不用加of
六行:pleasing—pleased:高兴的,用pleased不用pleasing
八行:speak—speaking:practice doing
九行:what—why; why状语 fluent—fluently 副词修饰speaking
十行:make—made时态应用一般过去时
十一行:good前加a:a good chance一个好机会
十二行:joining—join(would like to do)本回答被网友采纳