听录音,给下列句子标序号。 ( ) Turn right. ( ) Turn left. ( ) Walk backward. ( ) Turn around. ( ) Go straight. ( ) Go up the stairs. ( ) Walk forward. ( ) Go down the stairs.
【简答题】- Why do you collect so many old bikes ? - I'Il have them and give away to the children who don't have bikes .( )A. used up B. given up C. fixed up D. set up