We waited for him at the school gate , but he didn’t appear until nine.
Can you buy me a birthday cake _____ the afternoon?— Sorry, I ambusy. I can do it _____ Sunday afternoon. [ ]
Thanks ______ your letter and the photos. — You are welcome.[ ]
We have bags ________ red and black ________ 10 dollars each.[ ]
________a teacher, I’ll try to teach my students well.[ ]