Question

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

Answer 1

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.

Answer 2

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