Question

HELP!
it is no use calling Nick at home;he ____ already.
a.had better leave
b.could be leaving.
c. will have left.
d. is bound to leave ​

Answer 1

Answer: will have left

Explanation: we use future perfect tense to express certainty that an action was completed. Generally, we can say that Future Perfect relates to the past in the future.

Subject + WILL HAVE + past participle

Answer 2

It is no use calling Nick at home ;he is bound to leave already.