---When will you hand in your homework?---Sorry, I’m not sure. I _______ writing it yet.
按字母表的顺序,排列正确的一组是。
---What’s this in English? --- _______.
-- What’s the weather like _______ winter? --- It’s _____.
I ______ Mary. This ______ Tom.
--- Is this ______ apple? ---- No, it’s ______ orange.