-I didn’t know you take a bus to school.-Oh, I       take a bus, but it is snowing now.

----Have you finished reading the book ________? ----Yes. I have ________finished reading it．

My friend and I are       good at biology. But we don't like geography very much.

You don’t know ______ I want to see you again. It’s a year since I last saw you.

Daming didn’t take a photo in the museum. I didn’t,          .