---Who left the window _______? --- Sorry. I forgot _______it when I left yesterday.
— Who is that girl?— The girl ____ a red dress? Oh, she is Kate.
— What’s your sister’s favorite ___________?— Red.
---Do you have _____ e-mail address ?
-- Have you been to Shanghai_______?--Yes, I have _______been there twice.
There are many bees _______among the flowers.