The teacher usually (鼓励) his students to do their homework carefully.
你沿丝绸之路旅游过吗?
ever along the Silk Road?
The students are very h . They clean houses for the old people every weekend.
By reading 30 minutes a day, you can learn more words and i your writing.
N cross the road when the traffic light is red.
To keep healthy, you should do sports and have a balanced d .