孝敬父母是中华民族的传统美德,下列各项中能反映出子女对父母的感激之情的是( )
-_____ you _____ your drawing? -Not yet. It will be done in a few minutes.
The teacher told us the earth ________ around the sun.
He’s been in China for two years. And he’s used to _______ in China.
_______ his help, we finished the work on time.
-_____ have you worked? -Since 2 pm.