an) I know my friend. I ___(know) him/her for a long time b) My friend is learning German. He ___( learn) for 5 weeks. c) I have a car.I ___ (have) this car for a year. d) It's raining. It ___ (rain) since this morning. e) My friend is watching TV. He/she ___ (warch) for an hour.

A)have been knowing himb)has been learningc)have been havingd)has been raininge)He has been watching