Question

Choose the verb form that best completes the sentence
By the time Cynthia books the flight to Iceland, she _______ her sister about the visit.
1.has called
2.will has called
3.calls
4.will have called
5.called

Answer 1

will have called.   i think it should be- she would have called

Answer 2

Answer:

By the time Cynthia books the flight to Iceland, she calls her sister about the visit.

I hope this is your answer and this is helpful for you.