What are you doing here —I’m __________ a taxi.

Jane will have to________her piano practice a longtimeif she wants to be a professional concert performer. [ ]

ess is really fashionable andeye-catching, but it is ______ too big for me

They became good friends during the war, and since then their lifelong friendship has______ tests of life and death.

Mary, how much did you ______ the new watch —300 yuan.