．Mr Wu is a teacher. __________(he) student Helen is with him.
50．Grandma Zhang is about __________(six).
51．Are there __________(some) water in the bottle?
52．Whose key is this? It’s not __________(me).
53．These are new nice __________(watch).
54．I __________(be) a boy. Yo

辛苦了！谢谢分享！！！