Must I clean up the classroom right now, Miss Green?– No, you ______.

Where is your mother?—She ________ the shop. She’ll be back in an hour.

The medicine has a strong side ________ on our health though it works well.

__________ have you been in the sports club?—Since the first month I came to the school．

I took lots of photos in Hainan.—Really? Could you show ______ to me?