1/she ----swimming when she was seven years old.

1/she ____swimming when she was seven years old.
2/______you______________your plans for the coming new year?
yes,we are.
3/does this___________________sleep?
yes.i just slept for only about four hours,so i am tired.of course i can't sing well now.
4/it is easier to ___________________than to keep a promise