After hearing the bad news，my parents didn't talk and they finished the rest of their dinner in （沉默）
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 ．
The kind boy was happy to s his food with the hungry man．