-- I hear Andy and Lily are going to have a party to celebrate their ten years of ____ . --- Really? They have ____ for ten years?
I don’t like science _____ it’s difficult.
Our teacher is Tony Brown. We call him(称呼他)
There are months in a year. month is December.
—When is your birthday, Tom? —.
—Can I help you? —. I want a red skirt.