It’s ___________ black．It’s ________ black ruler．

I’m going to Zhenjiang _________Monday morning. [ ]

Terra, you shouldn’t be so ______. You always leave your things everywhere.—Sorry, mom. I’ll put them away soon.

Fred plays _____ piano after _____ supper every day.

Have you finished your homework yet?– No, not yet. I think it’ll take me __________ half an hour.