----“It’s too cold. Would you mind_________ the window?”  ----“_____. But don’t do it now.”

It’s important _______ you to learn Chinese well.

—___ __must I take this medicine every day? —Three times a day.

----What _____ your cousin ______?   ---- She is a bit thin with long black hair.

---You never exercise. ---_______. I walk for more than one hour every day.