-----How do the boy and the girl go to school? ------The boy often______ his bicycle and the girl often ______the train to school.
This is _____ “r” and that’s _____ “u”.
-Dad, this is my friend, Dick.- ________.
-Your watch is very nice.- ________.
This is _____ eraser and that’s _____ gold(黄金) ring.
_______! Are you Mr. Green?