Lucy is very busy these days.Yes.She ___(work) very hard these days

Question

Lucy is very busy these days.
Yes.She ___(work) very hard these days

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Answer 1

Is working; do you do; are you packing; am flying; doesn't know; is taking;

Answer 2

A. Bill dances very well
B. She's working hard these days
A. What do you do on Saturdays?
A. Why are you packing your suitcase?
B. Because I'm flying (запланированное действие в будущем, 100% уверенности в своих планах, ведь человек уже собирает чемодан)
A, Fred doesn't not how to swim
B, не вижу слово в скобках.