Simon watches TV three_______ four________ a week.
It is useless book to children. Put it into left drawer and never read it.
-- Would you like to have dinner with me? -______ Where shall we eat?
_____ Mom had asked Jack to close the window before he went out,______ he forgot to do it.
Bikes ______ in the 1880s and they ______ traveling around.
Do you know the lady ______ is interviewing our teacher. -- Yes, she is a reporter from CCTV.