Question

【题目】听录音，补全短文。(10分)

Our city ______ messy and ______ because of the ______ and rubbish. To keep the city ______, we should do our best. We can take the bus or ______ to school every day. We can put rubbish in the ______. We can ______ ______ trees. They ______ keep the ______ clean.

Answer 1

【答案】becomes dirty smoke clean walk bin plant more help air

【解析】

【听力材料】

Our city becomes messy and dirty because of the smoke and rubbish. To keep the cityclean, we should do our best. We can take the bus or walk to school every day. We can put rubbish in the bin. We can plant more trees. They help keep the air clean.