Trees take in harmful gases from the air ang produce oxygen for us to breathe Trees_____ turnharmful gases from the air ______ oxygen for us to breathe.英语学案上的题

相关推荐

• Trees take in harmful gases from the air ang produce oxygen for us to breathe Trees_____ turnharmful gases from the air ______ oxygen for us to breathe.英语学案上的题
• Trees take in harmful gases from the air ang produce oxygen for us to breathe Trees_____ turn
• 1.The policeman wanted him ( ) stop.2.You must have been driving ( ) 100 miles per hour.3.You ( ) better do it now.4.I did not see the sign ( )all.5.Take ( ) advice,son.6.She must be ( )least forty.
• We went by bus.We went to visit family friends aWe went by bus.We went to visit family friends and had los of fun．