We need to learn()A how to be polite B what to do it C how to do

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/08 03:34:13

We need to learn()A how to be polite B what to do it C how to do
We need to learn()A how to be polite B what to do it C how to do

We need to learn()A how to be polite B what to do it C how to do
A正确.B去掉it就对了.C中do后加it就对了.